Units commonly used for entropy are: w) kilograms per degree Kelvin x) Joules per degree Kelvin y) Newtons per Coulomb z) ergs

Units commonly used for entropy are: w) kilograms per degree Kelvin x) Joules per degree Kelvin y) Newtons per Coulomb z) ergs
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ANSWER: X -- JOULES PER DEGREE KELVIN
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A train locomotive whose mass is 1 x 106 kilograms is traveling EAST at a speed of 100 kilometers per hour. A NORTHERLY wind is applying a force of 100 Newtons on the locomotive. How much work is the wind doing on the locomotive for each 10 meters it travels? w) 0 joules x) 1,000 joules y) 10,000 joules z) 100,000 joules

Description : A train locomotive whose mass is 1 x 106 kilograms is traveling EAST at a speed of 100 kilometers per hour. A NORTHERLY wind is applying a force of 100 Newtons on the locomotive. How much work is the wind doing ... 10 meters it travels? w) 0 joules x) 1,000 joules y) 10,000 joules z) 100,000 joules

Last Answer : ANSWER: W -- 0 JOULES

Electric current may be expressed in which one of the following units? w) coulombs/volt x) joules/coulomb y) coulombs/second z) ohms/second

Description : Electric current may be expressed in which one of the following units? w) coulombs/volt x) joules/coulomb y) coulombs/second z) ohms/second

Last Answer : ANSWER: Y -- COULOMBS/SECOND

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 is moving along a straight horizontal road at a speed of 20 meters per second. The brakes are applied and a constant force of 5000 Newtons decelerates the car to a stop in 10 seconds. The mass of the car is: w) 1250 kilograms x) 2500 kilograms y) 5000 kilograms z) 10,000 kilograms

Description : A car is moving along a straight horizontal road at a speed of 20 meters per second. The brakes are applied and a constant force of 5000 Newtons decelerates the car to a stop in 10 seconds. The mass of the car is: w) 1250 kilograms x) 2500 kilograms y) 5000 kilograms z) 10,000 kilograms

Last Answer : ANSWER: X -- 2500 KILOGRAMS

A block of metal which weighs 60 newtons in air and 40 newtons under water has a density, in kilograms per meter cubed, of: w) 1000 x) 3000 y) 5000 z) 7000

Description : A block of metal which weighs 60 newtons in air and 40 newtons under water has a density, in kilograms per meter cubed, of: w) 1000 x) 3000 y) 5000 z) 7000

Last Answer : ANSWER: X -- 3000

The mass, in kilograms, of an object whose weight on earth at sea level is 490 newtons is: w) 50 kilograms x) 100 kilograms y) 225 kilograms z) 1,100 kilograms

Description : The mass, in kilograms, of an object whose weight on earth at sea level is 490 newtons is: w) 50 kilograms x) 100 kilograms y) 225 kilograms z) 1,100 kilograms

Last Answer : ANSWER: W -- 50 KILOGRAMS

The time needed for a net force of 10 newtons to change the velocity of a 5 kilograms mass by 3 meters/second is: w) 1.5 seconds x) 6 seconds y) 16.7 seconds z) 150 seconds

Description : The time needed for a net force of 10 newtons to change the velocity of a 5 kilograms mass by 3 meters/second is: w) 1.5 seconds x) 6 seconds y) 16.7 seconds z) 150 seconds

Last Answer : ANSWER: W -- 1.5 SECONDS

A light-year can be converted into w) astronomical units x) hours y) foot-candles z) ergs

Description : A light-year can be converted into w) astronomical units x) hours y) foot-candles z) ergs 

Last Answer : ANSWER: W -- ASTRONOMICAL UNITS

The density of lead is 12 grams per cm3. A lead brick has a mass of 1.5 kilograms. Its dimensions are 10 cm by 5 cm by 4 cm. Is it: w) More than 75% hollow x) Between 50 and 75% hollow y) Between 25 and 50% hollow z) Between 0 and 25% hollow

Description : The density of lead is 12 grams per cm3. A lead brick has a mass of 1.5 kilograms. Its dimensions are 10 cm by 5 cm by 4 cm. Is it: w) More than 75% hollow x) Between 50 and 75% hollow y) Between 25 and 50% hollow z) Between 0 and 25% hollow

Last Answer : ANSWER: Y -- BETWEEN 25 AND 50% HOLLOW

A car with a mass of 1000 kilogram is moving at a speed of 10 meters per second. The kinetic energy of the car is: w) 100 Joules x) 5000 Joules y) 10,000 Joules z) 50,000 Joules

Description : A car with a mass of 1000 kilogram is moving at a speed of 10 meters per second. The kinetic energy of the car is: w) 100 Joules x) 5000 Joules y) 10,000 Joules z) 50,000 Joules

Last Answer : ANSWER: Z -- 50,000 JOULES

As a 10 kilogram mass on the end of a spring passes through its equilibrium position, the kinetic energy of the mass is 20 joules. The speed of the mass is: w) 2.0 meters per second x) 4.0 meters per second y) 5.0 meters per second z) 6.3 meters per second

Description : As a 10 kilogram mass on the end of a spring passes through its equilibrium position, the kinetic energy of the mass is 20 joules. The speed of the mass is: w) 2.0 meters per second x) 4.0 meters per second y) 5.0 meters per second z) 6.3 meters per second

Last Answer : ANSWER: W -- 2.0 METERS PER SECOND

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

Which of the following best completes the statement: The calorie is the amount of heat needed to raise: w) 1 gram of water 1 degree Celsius x) 1 gram of water 1 degree Rankin y) 1 kilogram of water 1 degree Celsius z) 1 kilogram of water 1 degree Kelvin

Description : Which of the following best completes the statement: The calorie is the amount of heat needed to raise: w) 1 gram of water 1 degree Celsius x) 1 gram of water 1 degree Rankin y) 1 kilogram of water 1 degree Celsius z) 1 kilogram of water 1 degree Kelvin

Last Answer : ANSWER: W -- 1 GRAM OF WATER 1 DEGREE CELSIUS

A wavelength is commonly measured in which one of the following units? w) radians x) angstroms y) electron volts z) seconds

Description : A wavelength is commonly measured in which one of the following units? w) radians x) angstroms y) electron volts z) seconds

Last Answer : ANSWER: X -- ANGSTROMS

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

A two-stage rocket attains a velocity of 3,000 meters per second when it drops the first stage and ignites the second. It consumes 1 kilogram of fuel per second and its exhaust speed is 2,000 meters per second. What is the thrust on the spacecraft? w) 2,000 Newtons x) 3,000 Newtons y) 2,000 Newton-seconds z) 3,000 Newton-seconds

Description : A two-stage rocket attains a velocity of 3,000 meters per second when it drops the first stage and ignites the second. It consumes 1 kilogram of fuel per second and its exhaust speed is 2,000 meters per second. ... ? w) 2,000 Newtons x) 3,000 Newtons y) 2,000 Newton-seconds z) 3,000 Newton-seconds 

Last Answer : ANSWER: W -- 2,000 NEWTONS

A 500 kilogram car moving at 20 meters per second strikes a stone wall and is brought to a halt in 0.1 second. The average force of the car on the wall during impact is: w) 10 Newtons x) 1000 Newtons y) 10,000 Newtons z) 100,000 Newtons

Description : A 500 kilogram car moving at 20 meters per second strikes a stone wall and is brought to a halt in 0.1 second. The average force of the car on the wall during impact is: w) 10 Newtons x) 1000 Newtons y) 10,000 Newtons z) 100,000 Newtons

Last Answer : ANSWER: Z -- 100,000 NEWTONS

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

When a 2 kilogram mass is suspended from a spring, the spring stretches 4 cm. The force constant of the spring is approximately:+ w) .5 newtons per meter x) 5 newtons per meter y) 50 newtons per meter z) 500 newtons per meter

Description : When a 2 kilogram mass is suspended from a spring, the spring stretches 4 cm. The force constant of the spring is approximately:+ w) .5 newtons per meter x) 5 newtons per meter y) 50 newtons per meter z) 500 newtons per meter

Last Answer : ANSWER: Z -- 500 NEWTONS PER METER

A child weighing 50 Newtons is on a swing. He goes from a minimum height of 0.2 meters to a maximum height of 1.5 meters. His maximum speed is closest to: w) 3 meters per second x) 5 meters per second y) 7 meters per second z) 9 meters per second

Description : A child weighing 50 Newtons is on a swing. He goes from a minimum height of 0.2 meters to a maximum height of 1.5 meters. His maximum speed is closest to: w) 3 meters per second x) 5 meters per second y) 7 meters per second z) 9 meters per second

Last Answer : ANSWER: X -- 5 METERS PER SECOND

A spring with a force constant of 100 Newtons per meter is loaded with a mass of 1.0 kilogram. The period of vibration of this system is: w) .03 seconds x) .06 seconds y) .31 seconds z) .63 seconds

Description : A spring with a force constant of 100 Newtons per meter is loaded with a mass of 1.0 kilogram. The period of vibration of this system is: w) .03 seconds x) .06 seconds y) .31 seconds z) .63 seconds

Last Answer : ANSWER: Z -- .63 SECONDS 

A 10 kilogram mass rests on a horizontal frictionless surface. A horizontal force of 5 Newtons is applied to the mass. After the force has been applied for 1 second, the velocity of the mass is: w) 0 meters per second x) 0.5 meters per second y) 5 meters per second z) 50 meters per second

Description : A 10 kilogram mass rests on a horizontal frictionless surface. A horizontal force of 5 Newtons is applied to the mass. After the force has been applied for 1 second, the velocity of the mass is: w) 0 meters per second x) 0.5 meters per second y) 5 meters per second z) 50 meters per second

Last Answer : ANSWER: X -- 0.5 METERS PER SECOND

A spring with a force constant of 20 newtons per meter is known to obey Hooke's Law. The spring is attached to a mass of 5 kilograms and placed on a horizontal, frictionless surface. The mass is displaced 3 meters from its equilibrium position and released. What is the kinetic energy of the mass as it passes through its equilibrium position?

Description : A spring with a force constant of 20 newtons per meter is known to obey Hooke's Law. The spring is attached to a mass of 5 kilograms and placed on a horizontal, frictionless surface. The ... and released. What is the kinetic energy of the mass as it passes through its equilibrium position? 

Last Answer : ANSWER: 90 JOULES

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

The rest mass of an electron is closest to: w) 10-15 kilograms x) 10-17 kilograms y) 10-30 kilograms z) 10-50 kilograms

Description : The rest mass of an electron is closest to: w) 10-15 kilograms x) 10-17 kilograms y) 10-30 kilograms z) 10-50 kilograms

Last Answer : ANSWER: Y -- 10-30 KILOGRAMS (accept 9.11 x 10-31kg) 

Normality is defined as the number of: w) moles of solute per 1000 grams of solvent x) equivalent weights of solute per liter of solution y) kilograms of solute per liter of solution z) moles of solute per 1000 grams of solution

Description : Normality is defined as the number of: w) moles of solute per 1000 grams of solvent x) equivalent weights of solute per liter of solution y) kilograms of solute per liter of solution z) moles of solute per 1000 grams of solution

Last Answer : ANSWER: X -- EQUIVALENT WEIGHTS OF SOLUTE PER LITER OF SOLUTION

The Superconducting Super Collider will produce collisions with an energy of: w) 40 joules x) 40 MeV y) 40 TeV z) 200 TeV

Description : The Superconducting Super Collider will produce collisions with an energy of: w) 40 joules x) 40 MeV y) 40 TeV z) 200 TeV

Last Answer : ANSWER: Y -- 40 TeV

A man picks up a 50 kilogram block and carries it up a flight of stairs 10 meters high. He then carries the block back down the stairs and places the block in its original position. What is the NET work done on the block? w) 1,000 joules x) 750 joules y) 500 joules z) 0 joules

Description : A man picks up a 50 kilogram block and carries it up a flight of stairs 10 meters high. He then carries the block back down the stairs and places the block in its original position. What is the NET work done on the block? w) 1,000 joules x) 750 joules y) 500 joules z) 0 joules

Last Answer : ANSWER: Z -- 0 JOULES

The rate at which electrical energy is used is measured in w) volts x) amperes y) joules z) watts

Description : The rate at which electrical energy is used is measured in w) volts x) amperes y) joules z) watts

Last Answer : ANSWER: Z -- WATTS

A 10 kilogram object falls from a cliff 100 meters high. At the midpoint of its fall its total energy is: w) 2450 Joules x) 4900 Joules y) 10,000 Joules z) 20,000 Joules

Description : A 10 kilogram object falls from a cliff 100 meters high. At the midpoint of its fall its total energy is: w) 2450 Joules x) 4900 Joules y) 10,000 Joules z) 20,000 Joules

Last Answer : ANSWER: Y -- 10,000 JOULES

A kilocalorie is equal to one of the following. Is it equal to: w) 4.2 Joules x) 1000 Joules y) 4200 Joules z) 10,000 Joules

Description : A kilocalorie is equal to one of the following. Is it equal to: w) 4.2 Joules x) 1000 Joules y) 4200 Joules z) 10,000 Joules

Last Answer : ANSWER: Y -- 4200 JOULES

A 10 kilogram ball falls from a height of 5 meters and rebounds from the floor to a height of 3 meters. The energy lost by the ball is: w) 20 joules x) 98 joules y) 196 joules z) 294 joules

Description : A 10 kilogram ball falls from a height of 5 meters and rebounds from the floor to a height of 3 meters. The energy lost by the ball is: w) 20 joules x) 98 joules y) 196 joules z) 294 joules 

Last Answer : ANSWER: Y -- 196 JOULES

A machine having an efficiency of 50% does 500 joules of work. Which of the following is the work input? Is it: w) 500 joules x) 250 joules y) 1000 joules z) 2500 joules

Description : A machine having an efficiency of 50% does 500 joules of work. Which of the following is the work input? Is it: w) 500 joules x) 250 joules y) 1000 joules z) 2500 joules

Last Answer : ANSWER: Y -- 1000 JOULES

A machine's output is 4000 joules and its frictional losses are 1000 joules. Which of the following is its efficiency? Is it: w) 25% x) 30% y) 75% z) 80%

Description : A machine's output is 4000 joules and its frictional losses are 1000 joules. Which of the following is its efficiency? Is it: w) 25% x) 30% y) 75% z) 80%

Last Answer : ANSWER: Z -- 80%

A worker lifts a 10 kilogram block a vertical height of 2 meters. The work he does on the block is: w) 5 Joules x) 20 Joules y) 49 Joules z) 200 Joules

Description : A worker lifts a 10 kilogram block a vertical height of 2 meters. The work he does on the block is: w) 5 Joules x) 20 Joules y) 49 Joules z) 200 Joules

Last Answer : ANSWER: Z -- 200 JOULES

What is 20 degrees Celsius in degrees Kelvin? w) 70 degrees x) 293 degees y) 100 degrees z) 212 degrees

Description : What is 20 degrees Celsius in degrees Kelvin? w) 70 degrees x) 293 degees y) 100 degrees z) 212 degrees

Last Answer : ANSWER: X -- 293 DEGREES

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

According to the kinetic theory, the Kelvin temperature of an ideal gas is proportional to which one of the following. Is the temperature proportional to the gas's average molecular: w) velocity x) momentum y) kinetic energy z) potential energy

Description : According to the kinetic theory, the Kelvin temperature of an ideal gas is proportional to which one of the following. Is the temperature proportional to the gas's average molecular: w) velocity x) momentum y) kinetic energy z) potential energy

Last Answer : ANSWER: Y -- KINETIC ENERGY

A rise in temperature of 20 Kelvin degrees is equal to a rise of: w) 20 degrees Celsius x) 36 degrees Celsius y) 68 degrees Celsius z) 293 degrees Celsius

Description : A rise in temperature of 20 Kelvin degrees is equal to a rise of: w) 20 degrees Celsius x) 36 degrees Celsius y) 68 degrees Celsius z) 293 degrees Celsius

Last Answer : ANSWER: W -- 20 DEGREES CELSIUS

In SI units the power of sound is represented in A. Kgs B. Joules C. Newtons D. Watts

Description : In SI units the power of sound is represented in A. Kgs B. Joules C. Newtons D. Watts

Last Answer : ANS: D

The S.I. unit of electric charge is – (1) ampere (2) coulomb (3) e.s.u (4) Kelvin

Description : The S.I. unit of electric charge is – (1) ampere (2) coulomb (3) e.s.u (4) Kelvin

Last Answer : (2) coulomb Explanation: The SI unit of quantity of electric charge is the coulomb, which is equivalent to about 6.242x10^18 e (e is the charge of a proton). Hence, the charge of ... of charge that has passed through the cross section of an electrical conductor canying one ampere within one second.

The S.I. unit of electric charge is : (1) ampere (2) coulomb (3) e.s.u (4) kelvin

Description : The S.I. unit of electric charge is : (1) ampere (2) coulomb (3) e.s.u (4) kelvin

Last Answer : coulomb

It has been said that the universe will die an "entropy death". This means that: w) the universe will eventually explode. x) the universe will be at the same temperature everywhere. y) the universe will collapse into a black hole. z) matter and antimatter will never combine.

Description : It has been said that the universe will die an "entropy death". This means that: w) the universe will eventually explode. x) the universe will be at the same temperature everywhere. y) the universe will collapse into a black hole. z) matter and antimatter will never combine.

Last Answer : ANSWER: X -- THE UNIVERSE WILL BE AT THE SAME TEMPERATURE EVERYWHERE.  

Entropy is a measure of: w) magnetization x) disorder y) temperature z) heat

Description : Entropy is a measure of: w) magnetization x) disorder y) temperature z) heat

Last Answer : ANSWER: X -- DISORDER

Susan pushes against a 100 kilogram rock with a force of 5 Newtons, but the rock doesn't move. The force the rock exerts on Susan is w) 0 Newtons x) 5 Newtons y) 20 Newtons z) 100 Newtons

Description : Susan pushes against a 100 kilogram rock with a force of 5 Newtons, but the rock doesn't move. The force the rock exerts on Susan is w) 0 Newtons x) 5 Newtons y) 20 Newtons z) 100 Newtons

Last Answer : ANSWER: X -- 5 NEWTONS

Newton's first law is often referred to as which of the following? w) The law of straight-line motion. x) The law of momentum y) The law of inertia z) F = ma (Spell out M-A)

Description : Newton's first law is often referred to as which of the following? w) The law of straight-line motion. x) The law of momentum y) The law of inertia z) F = ma (Spell out M-A)

Last Answer : ANSWER: Y -- THE LAW OF INERTIA

A 5 kilogram mass is lifted at constant velocity from a shop floor by a rope that passes through a pulley attached to the shop's ceiling. Neglecting the mass of the rope and friction in the pulley, what is the approximate tension in the rope? w) 100 newtons x) 50 newtons y) 25 newtons z) 5 newtons

Description : A 5 kilogram mass is lifted at constant velocity from a shop floor by a rope that passes through a pulley attached to the shop's ceiling. Neglecting the mass of the rope and friction in the pulley, what is the approximate tension in the rope? w) 100 newtons x) 50 newtons y) 25 newtons z) 5 newtons

Last Answer : ANSWER: X -- 50 NEWTONS

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

Two negative point charges are 2 meters apart and repel each other with a force of 2 newtons. When the distance between the charges is doubled, the force between them is w) one fourth as great x) one half as great y) twice as great z) four times as great

Description : Two negative point charges are 2 meters apart and repel each other with a force of 2 newtons. When the distance between the charges is doubled, the force between them is w) one fourth as great x) one half as great y) twice as great z) four times as great

Last Answer : ANSWER: W -- ONE FOURTH AS GREAT

This planet's orbit gave proof of the superiority of Einstein's theory of gravity over Newton's: w) Mercury x) Earth y) Mars z) Pluto

Description : This planet's orbit gave proof of the superiority of Einstein's theory of gravity over Newton's: w) Mercury x) Earth y) Mars z) Pluto

Last Answer : ANSWER: W -- MERCURY