The SI unit of pressure is the: w) Torr x) dyne per centimeter squared y) atmosphere z) pascal

The SI unit of pressure is the: w) Torr x) dyne per centimeter squared y) atmosphere z) pascal
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ANSWER: Z -- PASCAL
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What is the SI unit of pressure? w) Pascal x) Torr y) Dyne z) Kelvin

Description : What is the SI unit of pressure? w) Pascal x) Torr y) Dyne z) Kelvin

Last Answer : ANSWER: W -- PASCAL

What is the SI unit for pressure? w) Torr x) pounds per square inch y) Pascal z) Kelvin

Description : What is the SI unit for pressure? w) Torr x) pounds per square inch y) Pascal z) Kelvin

Last Answer : ANSWER: Y -- PASCAL

The unit of mass in the English system of measure is which of the following? w) pound x) gram y) slug z) dyne

Description : The unit of mass in the English system of measure is which of the following? w) pound x) gram y) slug z) dyne

Last Answer : ANSWER: Y -- SLUG

Liquid "X" is at equilibrium with its vapor in a cylinder and piston apparatus. When the volume of the space above the liquid is 50 ml and the temperature 25!, the vapor pressure of "X" is 120 torr. What will the vapor pressure of "X" be when the volume above the liquid is 100 ml and the temperature 25!C? Some liquid is always present. w) 30 torr x) 60 torr y) 120 torr z) 240 torr

Description : Liquid "X" is at equilibrium with its vapor in a cylinder and piston apparatus. When the volume of the space above the liquid is 50 ml and the temperature 25!, the vapor pressure of "X" is 120 torr. What will the ... 25!C? Some liquid is always present. w) 30 torr x) 60 torr y) 120 torr z) 240 torr

Last Answer : ANSWER: Y -- 120 TORR

In physics, a radian per second squared is a unit of: w) angular displacement x) angular velocity y) angular acceleration z) angular momentum.

Description : In physics, a radian per second squared is a unit of: w) angular displacement x) angular velocity y) angular acceleration z) angular momentum.

Last Answer : ANSWER: Y -- ANGULAR ACCELERATION

What is the hydrostatic pressure at the bottom of a pool 6 meters deep? w) 60,000 Newtons per meter squared x) 6,000 Newtons per meter squared y) 600 Newtons per meter squared z) 60 Newtons per meter squared

Description : What is the hydrostatic pressure at the bottom of a pool 6 meters deep? w) 60,000 Newtons per meter squared x) 6,000 Newtons per meter squared y) 600 Newtons per meter squared z) 60 Newtons per meter squared

Last Answer : ANSWER: W -- 60,000 NEWTONS PER METER SQUARED

An object with a mass of 5 kilograms is a distance of 5 meters above the surface of the earth. If the acceleration due to gravity is 10 meters per second squared, the potential energy of the object relative to the surface of the earth is: w) 10 joules x) 20 joules y) 100 joules z) 250 joules e) none of the above

Description : An object with a mass of 5 kilograms is a distance of 5 meters above the surface of the earth. If the acceleration due to gravity is 10 meters per second squared, the potential energy of the object relative to the ... is: w) 10 joules x) 20 joules y) 100 joules z) 250 joules e) none of the above

Last Answer : ANSWER: Z -- 250 JOULES

A car traveling at a constant velocity of 20 meters per second passes a second car which is initially at rest. The car which was at rest starts accelerating at 10 meters per second squared the instant it is passed by the first car. They will meet again in: w) 2 seconds x) 4 seconds y) 6 seconds z) 8 seconds

Description : A car traveling at a constant velocity of 20 meters per second passes a second car which is initially at rest. The car which was at rest starts accelerating at 10 meters per second squared the instant it is passed ... car. They will meet again in: w) 2 seconds x) 4 seconds y) 6 seconds z) 8 seconds

Last Answer : ANSWER: X -- 4 SECONDS

The acceleration due to gravity on the moon is 1.6 meters per second squared. If a pendulum is whose length is 6.4 meters is placed on the moon, its period will be: w) 1.57 seconds x) 3.14 seconds y) 12.56 seconds z) 25.12 seconds

Description : The acceleration due to gravity on the moon is 1.6 meters per second squared. If a pendulum is whose length is 6.4 meters is placed on the moon, its period will be: w) 1.57 seconds x) 3.14 seconds y) 12.56 seconds z) 25.12 seconds

Last Answer : not real

Carlos is pulling a 40 kilogram cart with a horizontal force of 100 newtons. The force of friction on the cart is 20 newtons. The acceleration of the cart is: w) 2 meters per second squared x) 2.5 meters per second squared y) 20 meters per second squared z) 200 meters per second squared

Description : Carlos is pulling a 40 kilogram cart with a horizontal force of 100 newtons. The force of friction on the cart is 20 newtons. The acceleration of the cart is: w) 2 meters per second squared x) 2.5 meters per second squared y) 20 meters per second squared z) 200 meters per second squared

Last Answer : ANSWER: W -- 2 METERS PER SECOND SQUARED

An object is projected vertically upward near the surface of the earth. At the very top of its path, the object's velocity is zero, and its acceleration is: w) 0 x) 9.8 meters per second squared DOWNWARD y) 9.8 meters per second squared UPWARD z) depends on the mass of the object

Description : An object is projected vertically upward near the surface of the earth. At the very top of its path, the object's velocity is zero, and its acceleration is: w) 0 x) 9.8 meters per second squared DOWNWARD y) 9.8 meters per second squared UPWARD z) depends on the mass of the object

Last Answer : ANSWER: X -- 9.8 METERS PER SECOND SQUARED DOWNWARD

If a sled has a constant acceleration of 2 meters per second squared and starts from rest, the distance in meters that it will have covered after 5 seconds is: w) 10 meters x) 20 meters y) 25 meters z) 50 meters

Description : If a sled has a constant acceleration of 2 meters per second squared and starts from rest, the distance in meters that it will have covered after 5 seconds is: w) 10 meters x) 20 meters y) 25 meters z) 50 meters

Last Answer : ANSWER: Y -- 25 METERS

A Newton is equal to which of the following? w) kilogram-meter per second x) meter per second squared y) kilogram-meter per second squared z) kilogram per meter-second

Description : A Newton is equal to which of the following? w) kilogram-meter per second x) meter per second squared y) kilogram-meter per second squared z) kilogram per meter-second

Last Answer : ANSWER: Y -- KILOGRAM-METER PER SECOND SQUARED

The statement, "In regions where fluid velocity is smaller, the pressure is higher, and vice versa", is known as the principle of: w) Pascal x) Bernoulli y) Torricelli z) Archimedes

Description : The statement, "In regions where fluid velocity is smaller, the pressure is higher, and vice versa", is known as the principle of: w) Pascal x) Bernoulli y) Torricelli z) Archimedes

Last Answer : ANSWER: X -- BERNOULLI

What is a calorie? w) amount of heat required to raise one gram of water one degree Celsius. x) amount of work required to move one gram of water by one centimeter. y) amount of heat required to melt ice. z) amount of heat required to raise one gram of water one degree Fahrenheit

Description : What is a calorie? w) amount of heat required to raise one gram of water one degree Celsius. x) amount of work required to move one gram of water by one centimeter. y) amount of heat required to melt ice. z) amount of heat required to raise one gram of water one degree Fahrenheit

Last Answer : ANSWER: W -- AMOUNT OF HEAT REQUIRED TO RAISE ONE GRAM OF WATER ONE DEGREE CELSIUS

A wooden board 2 meters long, 30 centimeters wide and 4 centimeters thick floats in water with 1 centimeter of its thickness above the surface. The mass of the board is: w) 1.8 kilograms x) 18 kilograms y) 24 kilograms z) 176 kilograms

Description : A wooden board 2 meters long, 30 centimeters wide and 4 centimeters thick floats in water with 1 centimeter of its thickness above the surface. The mass of the board is: w) 1.8 kilograms x) 18 kilograms y) 24 kilograms z) 176 kilograms

Last Answer : ANSWER: X -- 18 KILOGRAMS

A round viewing window with a 20 centimeter diameter is installed in a tank at the Shedd Aquarium. It is 5 meters below the water surface. The force on the window is approximately: w) 1,500 Newtons x) 10,000 Newtons y) 25,000 Newtons z) 50,000 Newtons

Description : A round viewing window with a 20 centimeter diameter is installed in a tank at the Shedd Aquarium. It is 5 meters below the water surface. The force on the window is approximately: w) 1,500 Newtons x) 10,000 Newtons y) 25,000 Newtons z) 50,000 Newtons

Last Answer : ANSWER: W -- 1,500 NEWTONS

A copper rod which is 1 centimeter in diameter carries a current of 5 amps. The current is distributed uniformly throughout the rod. The magnetic field half way between the axis of the rod and its outside edge is: w) zero. x) pointing radially outward y) pointing radially inward z) circles the axis of the rod

Description : A copper rod which is 1 centimeter in diameter carries a current of 5 amps. The current is distributed uniformly throughout the rod. The magnetic field half way between the axis of the rod and its ... ) zero. x) pointing radially outward y) pointing radially inward z) circles the axis of the rod

Last Answer : ANSWER: Z -- CIRCLES THE AXIS OF THE ROD

The earth's average density is: w) 2.82 grams per cubic centimeter x) 4.75 grams per cubic centimeter y) 5.52 grams per cubic centimeter z) 10.5 grams per cubic centimeter

Description : The earth's average density is: w) 2.82 grams per cubic centimeter x) 4.75 grams per cubic centimeter y) 5.52 grams per cubic centimeter z) 10.5 grams per cubic centimeter 

Last Answer : ANSWER: Y -- 5.52 GRAMS PER CUBIC CENTIMETER

Which of the following is NOT an SI unit of measure? w) watt x) newton y) joule z) erg e) second

Description : Which of the following is NOT an SI unit of measure? w) watt x) newton y) joule z) erg e) second

Last Answer : ANSWER: Z -- ERG

The electric field of a point charge varies: w) linearly with distance and inversely with charge x) linearly with distance and inversely with charge squared y) linearly with charge and inversely with distance squared z) linearly with charge and inversely with distance

Description : The electric field of a point charge varies: w) linearly with distance and inversely with charge x) linearly with distance and inversely with charge squared y) linearly with charge and inversely with distance squared z) linearly with charge and inversely with distance 

Last Answer : ANSWER: Z -- LINEARLY WITH CHARGE AND INVERSELY WITH DISTANCE  

Ten coulombs of charge are placed on a solid copper sphere. Once the charge has come to rest, the ELECTRIC POTENTIAL inside the sphere is found to be: w) zero x) uniform inside the sphere and equal to the electric potential on the surface of the sphere y) smaller than the electric potential outside the sphere z) varying as one over r squared

Description : Ten coulombs of charge are placed on a solid copper sphere. Once the charge has come to rest, the ELECTRIC POTENTIAL inside the sphere is found to be: w) zero x) uniform inside the sphere and ... the sphere y) smaller than the electric potential outside the sphere z) varying as one over r squared

Last Answer : ANSWER: X -- UNIFORM INSIDE THE SPHERE AND EQUAL TO THE ELECTRIC POTENTIAL ON THE SURFACE OF THE SPHERE 

Ten coulombs of positive charge are placed on an irregularly-shaped, solid piece of copper. Once the charge has stopped moving, the electric field inside the copper is: w) zero x) changes as one over the radius squared y) becomes smaller as you approach the center z) becomes larger as you approach the center

Description : Ten coulombs of positive charge are placed on an irregularly-shaped, solid piece of copper. Once the charge has stopped moving, the electric field inside the copper is: w) zero x) changes as one ... squared y) becomes smaller as you approach the center z) becomes larger as you approach the center

Last Answer : ANSWER: W -- ZERO

A constant potential difference is applied across the plates of a parallel-plate capacitor. Neglecting any edge effects, the electric field inside the capacitor is: w) constant x) varying as one over r squared y) decreasing as one moves from the positive to the negative plate z) zero

Description : A constant potential difference is applied across the plates of a parallel-plate capacitor. Neglecting any edge effects, the electric field inside the capacitor is: w) constant x) varying as one over r squared y) decreasing as one moves from the positive to the negative plate z) zero

Last Answer : ANSWER: W -- CONSTANT

For a parallel-plate capacitor with plate area "A" and plate separation "d", the capacitance is proportional to which of the following? w) A divided by d squared x) A times d y) A divided by d z) d divided by A

Description : For a parallel-plate capacitor with plate area "A" and plate separation "d", the capacitance is proportional to which of the following? w) A divided by d squared x) A times d y) A divided by d z) d divided by A

Last Answer : ANSWER: Y -- A DIVIDED BY D

Five coulombs of charge are placed on a thin-walled conducting shell. Once the charge has come to rest, the electric potential inside the hollow conducting shell is found to be: w) zero x) uniform inside the sphere and equal to the electric potential on the surface of the sphere y) smaller than the electric potential outside the sphere z) varying as one over r squared.

Description : Five coulombs of charge are placed on a thin-walled conducting shell. Once the charge has come to rest, the electric potential inside the hollow conducting shell is found to be: w) zero x) uniform ... sphere y) smaller than the electric potential outside the sphere z) varying as one over r squared.

Last Answer : ANSWER: X -- UNIFORM INSIDE THE SPHERE AND EQUAL TO THE ELECTRIC OTENT

For an infinite sheet of positive charge, the electric field lines: w) run parallel to the sheet of charge x) are perpendicular to the sheet of charge and point in toward the sheet y) are perpendicular to the sheet of charge and point away from the sheet z) fall off as one over r squared

Description : For an infinite sheet of positive charge, the electric field lines: w) run parallel to the sheet of charge x) are perpendicular to the sheet of charge and point in toward the sheet y) are perpendicular to the sheet of charge and point away from the sheet z) fall off as one over r squared

Last Answer : ANSWER: Y -- ARE PERPENDICULAR TO THE SHEET OF CHARGE AND POINT AWAY  

Of the following, which has units of "Pascal". w) force x) volume y) pressure z) viscosity

Description : Of the following, which has units of "Pascal". w) force x) volume y) pressure z) viscosity

Last Answer : ANSWER: Y -- PRESSURE

How many torr are there in one atmosphere?

Description : How many torr are there in one atmosphere?

Last Answer : ANSWER: 760

Which is the longest? w) a kilometer x) a centimeter y) a dekameter z) a terameter

Description : Which is the longest? w) a kilometer x) a centimeter y) a dekameter z) a terameter 

Last Answer : ANSWER: Z -- A TERAMETER

The SI unit of frequency is _______. a)metre b)seconds c) hertz d)pascal

Description : The SI unit of frequency is _______. a)metre b)seconds c) hertz d)pascal

Last Answer : c) hertz

At zero degrees Celsius and one atmosphere (STP), the volume of a gas is 1,000 milliliters. If the temperature is increased to 25 degrees Celsius and the pressure is doubled, what is the new volume of the gas? w) 546 milliliters x) 500 milliliters y) 1,000 milliliters z) 273 milliliters

Description : At zero degrees Celsius and one atmosphere (STP), the volume of a gas is 1,000 milliliters. If the temperature is increased to 25 degrees Celsius and the pressure is doubled, what is the new volume of the gas? w) 546 milliliters x) 500 milliliters y) 1,000 milliliters z) 273 milliliters

Last Answer : ANSWER: W -- 546 MILLILITERS

At one atmosphere, a cylinder with movable piston contains 2,000 milliliters of gas. If the pressure is increased to 5 atmospheres and the temperature remains unchanged, what is the new volume of the gas? w) 10,000 milliliters x) 400 milliliters y) 1,000 milliliters z) 4,000 milliliters

Description : At one atmosphere, a cylinder with movable piston contains 2,000 milliliters of gas. If the pressure is increased to 5 atmospheres and the temperature remains unchanged, what is the new volume of the gas? w) 10,000 milliliters x) 400 milliliters y) 1,000 milliliters z) 4,000 milliliters

Last Answer : ANSWER: X -- 400 MILLILITERS

How many atoms per unit cell are in a face-centered-cubic crystal? w) two x) four y) six z) eight

Description : How many atoms per unit cell are in a face-centered-cubic crystal? w) two x) four y) six z) eight

Last Answer : ANSWER: X -- FOUR

In physics, a radian per second is a unit of: w) angular displacement x) angular velocity y) angular acceleration z) angular momentum.

Description : In physics, a radian per second is a unit of: w) angular displacement x) angular velocity y) angular acceleration z) angular momentum.

Last Answer : ANSWER: X -- ANGULAR VELOCITY 

A unit of pressure used in high vacuum technology, which is equal to 1mmhg.  a. specific heat  b. isometric  c. isobaric  d. torr

Description : A unit of pressure used in high vacuum technology, which is equal to 1mmhg.  a. specific heat  b. isometric  c. isobaric  d. torr

Last Answer : torr

Another unit used to measure atmospheric pressure is the “torr”. This is named after the Italian physicist, Evangelista Torrecelli. An average atmospheric pressure is how many torr?

Description : Another unit used to measure atmospheric pressure is the “torr”. This is named after the Italian physicist, Evangelista Torrecelli. An average atmospheric pressure is how many torr?  A. 740  B. 750  C. 760  D. 770

Last Answer : 760

What is the only non-metal element that is a liquid at room temperature and one atmosphere? w) bromine x) argon y) silicon z) selenium

Description : What is the only non-metal element that is a liquid at room temperature and one atmosphere? w) bromine x) argon y) silicon z) selenium

Last Answer : ANSWER: W -- BROMINE

The concentration of carbon dioxide in the atmosphere is in the range of: w) 1-10 parts per million x) 10-100 parts per million y) 100-1000 parts per million z) 1000-10,000 parts per million

Description : The concentration of carbon dioxide in the atmosphere is in the range of: w) 1-10 parts per million x) 10-100 parts per million y) 100-1000 parts per million z) 1000-10,000 parts per million

Last Answer : ANSWER: Y -- 100-1000 PARTS PER MILLION (the exact number is 350 ppm as of the time of this article)

If two different gases have the same volume, temperature, and pressure and behave like ideal gases, they will also be identical in which one of the following ways? w) average molecular velocity x) total mass y) total molecular kinetic energy z) average momentum per molecule

Description : If two different gases have the same volume, temperature, and pressure and behave like ideal gases, they will also be identical in which one of the following ways? w) average molecular velocity x) total mass y) total molecular kinetic energy z) average momentum per molecule

Last Answer : ANSWER: Y -- TOTAL MOLECULAR KINETIC ENERGY

Which of the following quantities has the GREATEST influence on the overall efficiency of a conventional (Rankine cycle) electric generating station burning fossil fuels? w) steam temperature at the steam turbine inlet x) net heating value of the fuel y) steam pressure at the steam turbine inlet z) pounds of ash and sulfur per pound of fuel

Description : Which of the following quantities has the GREATEST influence on the overall efficiency of a conventional (Rankine cycle) electric generating station burning fossil fuels? w) steam temperature at the steam turbine ... pressure at the steam turbine inlet z) pounds of ash and sulfur per pound of fuel 

Last Answer : ANSWER: W -- STEAM TEMPERATURE AT THE STEAM TURBINE INLET 

Estimate the number of atoms comprising a silicon chip that is 0.2 millimeters by 0.2 millimeters by 0.1 millimeters, given that the density of silicon is 2.34 grams per cubic centimeter, the number of atoms in a gram-weight is approximately 6 x 1023 atoms, and the atomic weight of silicon is 28:

Description : Estimate the number of atoms comprising a silicon chip that is 0.2 millimeters by 0.2 millimeters by 0.1 millimeters, given that the density of silicon is 2.34 grams per cubic centimeter, the number of atoms in a gram-weight is approximately 6 x 1023 atoms, and the atomic weight of silicon is 28:

Last Answer : ANSWER: 2 x 1017

The unit of pressure in S.I. units is  (a) kg/cm2  (b) mm of water column  (c) pascal  (d) dynes per square cm  (e) bars

Description : The unit of pressure in S.I. units is  (a) kg/cm2  (b) mm of water column  (c) pascal  (d) dynes per square cm  (e) bars

Last Answer : Answer : c

The unit of force in S.I. units is (A) Kilogram (B) Newton (C) Watt (D) Dyne

Description : The unit of force in S.I. units is (A) Kilogram (B) Newton (C) Watt (D) Dyne

Last Answer : (B) Newton

What is the name for the metric unit of pressure defined as 1 Newton per meter squared?

Description : What is the name for the metric unit of pressure defined as 1 Newton per meter squared?

Last Answer : ANSWER: PASCAL

Which of the following is the largest quantum of pressure? (A) 1 kg/cm2 (B) 1 bar (C) 1 atmosphere (D) 1 kilo Pascal

Description : Which of the following is the largest quantum of pressure? (A) 1 kg/cm2 (B) 1 bar (C) 1 atmosphere (D) 1 kilo Pascal

Last Answer : (C) 1 atmosphere

1 torr is equal to A. 1 N⁄m² B. 1 mm Hg C. 1 bar D. All of the above

Description : 1 torr is equal to A. 1 N⁄m² B. 1 mm Hg C. 1 bar D. All of the above

Last Answer : 1 mm Hg

The ability of an atom to absorb neutrons is its neutron capture cross section. The unit of measurement for neutron capture cross section is: w) the nucleus volume x) capture capacity y) resonance quotient z) barn

Description : The ability of an atom to absorb neutrons is its neutron capture cross section. The unit of measurement for neutron capture cross section is: w) the nucleus volume x) capture capacity y) resonance quotient z) barn

Last Answer : ANSWER: Z -- BARN

Which of the following terms refer to the amount of heat needed to raise the temperature of a unit mass of a substance through one degree? w) Heat of fusion x) Liquification heat y) Internal heat z) Specific heat

Description : Which of the following terms refer to the amount of heat needed to raise the temperature of a unit mass of a substance through one degree? w) Heat of fusion x) Liquification heat y) Internal heat z) Specific heat

Last Answer : ANSWER: Z -- SPECIFIC HEAT

The GeV is a unit of: w) momentum x) energy y) velocity z) time

Description : The GeV is a unit of: w) momentum x) energy y) velocity z) time

Last Answer : ANSWER: X -- ENERGY