Description : How do I calcuate my GPA? My final grades are just in number form and I need help please?
Last Answer : First find the grade for each number (e.g. 75=C, 91=A-) then give a score D=1, C=2, B=3, A=4, add those scores and divide by the number of grades.
Description : Energy transferred per unit charge is A. e.m.f B. current C. potential difference D. conventional current
Last Answer : potential difference
Description : Utilizing the answer to the previous problem, estimate the overall or average increase in temperature ( ΔT) of the concrete roof from the energy absorbed from the sun during a12hour day. Assume that all of the radiation absorbed goes into ... °C b. 8.9°C c. 9.9°C d. 10.9°C formula: ΔQ = m c ΔT
Last Answer : 7.9 °C
Description : Which unit we use to express nuclear sizes? (1) Tesla (2) Newton (3) Fermi (4) None of above
Last Answer : (3) Fermi
Description : The unit of Planck's constant is – (1) Js (2) Js⁻² (3) J/s (4) Js²
Last Answer : (1) Js Explanation: The Planck constant has dimensions of physical action; these are the same as those of angular momentum, i.e., energy multiplied by time, or momentum multiplied by distance.
Description : A calorie is a unit of heat and it equals 4.2 J, where 1 J = kg m^2 s^-2. A distant civilisation employs a system of units in which the units
Last Answer : A calorie is a unit of heat and it equals 4.2 J, where 1 J = kg m2 s-2. A distant ... energy. What will be the magnitude of calorie in their units?
Description : When your mass is 96 kg. The acceleration due to gravity is 9.8 ms 2 . How much work against gravity do you do when you climb a flight of stairs 3.8 m high Answer in units of J.?
Last Answer : 4
Description : .Match items in column I with those in columnII. Column I Column II (A) Peritrichous flagellation (J) Ginkgo (B) Living fossil (K) Macrocystis (C) Rhizophore (L) Escherichia coli (D) Smallest flowering plant (M) Selaginella (E) Largest perennial ... - M; E - J (d) A - J; B - K; C - N; D - L; E - M
Last Answer : (a) A - L; B - J; C - M; D - N; E - K
Description : If the energy reaching your eyeball at 10 meters from a small light bulb is expressed as x, express the energy which would reach your eyeball at 20 meters?
Last Answer : ANSWER: (1/4)x
Description : Sound energy passing per second through a unit area held perpendicular is called - (1) Intensity (2) Frequency (3) Amplitude (4) Quality
Last Answer : (1) Intensity Explanation: Sound energy passes through a unit area held perpendicular to the direction of propagation of sound waves is called intensity of sound.
Description : Bernoulli's principle states that, for streamline motion of an incompressible non-viscous fluid: A. the pressure at any part + the kinetic energy per unit volume = constant B. the kinetic ... + the kinetic energy per unit volume + the potential energy per unit volume = constant
Last Answer : the pressure at any part + the kinetic energy per unit volume + the potential energy per unit volume = constant
Description : Normal force exerted per unit area by gas on walls of container is A. temperature B. energy C. pressure D. friction
Last Answer : pressure
Description : In an electric field, energy per unit positive charge is A. voltage B. current C. frequency D. resistance
Last Answer : voltage
Description : Heating 235 g of water from 22.6 degrees C to 94.4 degrees C in a microwave oven requires 7.06x10^4 J of energy. If the microwave frequency is 2.88x10^10 Hz, how many quanta are required to supply the 7.06x10^4 J?
Last Answer : answer:Guidelines. I don’t mean to be the bearer of bad news…
Description : Energy stored in a 2000 mF capacitor charged to a potential difference of 10 V is A. 0.12 J B. 1.3 J C. 0.10 J D. 3 J
Last Answer : 0.10 J
Description : It has been estimated that the total energy ratiated by sun is `3.8 xx 10^(26)` j per second. The source of energy of stars is a thermonuclear reactio
Last Answer : It has been estimated that the total energy ratiated by sun is `3.8 xx 10^(26)` j per second. The source of ... B. 26.9 MeV C. 23.6 MeV D. 19.2 MeV
Description : In the arrangement shown below, two trucks A and B are held in position with spring compressed. When they are released and the spring has fallen away, A is found to be moving to the left at 2 m/s. The energy stored in the compressed spring was (a) 12 J (b) 24 J (c) 18 J (d) 36 J
Last Answer : Ans:(b) Direction: In the following question, a statement of Assertion (A) is given followed by corresponding Reason (R), just below it. Read the statements carefully and mark the correct answer: (a) If both A and ... true but R is not the correct explanation of A. (c) If A is true but R is false
Description : When creating a Web document, which unit is used to express an image’s height and width? (a) Centimetres (b) Pixels -Technology
Last Answer : (b) Image’s height and width unit are expressed in pixels or in percent form.
Description : Why is the atomic mass unit rather then the gram usually used to express atomic mass?
Last Answer : Because a gram is too large a unit to express the mass of anatom. Also the Atomic Mass relates to what atoms or made of.If you convert the atomic mass into grams you have a mole of theelement.
Description : What unit is used to express the number of amps and volts needed by a particular device to function?
Last Answer : Feel Free to Answer
Description : The most suitable unit to express the nuclear radius i
Last Answer : The most suitable unit to express the nuclear radius i
Description : he auto-rickshaw fare in a city is charged as ₹10 for the first kilometre and @ ₹4 per kilometre for subsequent distance covered. Write the linear equation to express the above statement. Draw the graph of linear equation. -Maths 9th
Last Answer : Solution :- Fig. 3.12 represents the graph of the linear equation y = 4x+6.
Description : Express `6/25` as per cent.
Last Answer : Express `6/25` as per cent.
Description : If there are 3.8 million deaths per year in country express this quantity as deaths per minute?
Last Answer : There are 60 seconds in a minute, 24 hours in a day, and 365days in a year.60x24x365 = 525,600525,600/3.8,000,000 = .14 deaths per minute.
Description : How do you express the percent to a rate per 100?
Last Answer : Percentage IS a rate per 100.
Description : There are 50 compartments in a Chennai express carrying an average of 70 passengers per compartments. At least 24 passengers were sitting in each compartment, not any compartment has equal number of passengers, ... can be accommodated in 50th compartment? A. 748 B. 705 C.739 D.cannot be determined
Last Answer : C) Total number of passengers in Chennai express = 50*70 = 3500 Total number of candidates from 1 to 49 compartments = 24+25+....+70 = (70*71)/2 +(23*24)/2 = 2761 number of passengers in 50th compartment = 3500 - 2761= 739
Description : The expression 1/√2 (i + j) is a (A) unit vector (B) null vector (C) vector of magnitude (D) scalar
Last Answer : The expression 1/√2 (i + j) is a (A) unit vector (B) null vector (C) vector of magnitude √2 (D) scalar
Description : P = i + 2k and Q = 2i + j -2k are two vectors, find the unit vector parallel to P x Q.
Last Answer : P = i + 2k and Q = 2i + j -2k are two vectors, find the unit vector parallel to P x ... find the vector perpendicular to P and Q of magnitude 6 units.
Description : i and j are unit vectors along X-axis and Y-axis respectively. What is the magnitude and direction of the vector i + j and i - j?
Last Answer : i and j are unit vectors along X-axis and Y-axis respectively. What is the magnitude and direction of the ... directions of (i + j) and (i - j)?
Description : Show that vector A = (i - j)/√2 is a unit vector.
Last Answer : Show that \(\vec{A} = \frac{\hat{i} - \hat{j}}{\sqrt{2}}\) is a unit vector. vector A = (i - j)/√2
Description : In S.J. unit, one ton of refrigeration is equal to (a) 210 kJ/min (b) 21 kJ/min (c) 3.5 kJ/min (d) 2.4 kJ/min
Last Answer : Ans: a
Description : The unit of heat transfer co-efficient in SI unit is (A) J/M2°K (B) W/m2°K (C) W/m°K (D) J/m°K
Last Answer : (B) W/m2°K
Description : The unit vector to the points p1(0,1,0), p2(1,0,1), p3(0,0,1) is a) (-j – k)/1.414 b) (-i – k)/1.414 c) (-i – j)/1.414 d) (-i – j – k)/1.414
Last Answer : a) (-j – k)/1.414
Description : The SI unit of pressure a. Pa b. N c. J d. None of the above
Last Answer : Pa
Description : What is the SI unit of specific heat capacity? A. J/kg B. J/kg °F ∙ C. J/kg °C ∙ D. J/°C
Last Answer : J/kg °C
Description : The unit of calorific value of fuel is __________ . a) Kj /Kg b) J/Kg c)Kj /g d)J/g
Last Answer : a) Kj /Kg
Description : The mass of water vapour per unit volume of air is known as - (1) relative humidity (2) specific humidity (3) absolute humidity (4) variable humidity
Last Answer : (3) absolute humidity Explanation: Absolute humidity is the measure of water vapor (moisture) in the air, regardless of temperature. It is expressed as grams of moisture per cubic meter of air (g/m3).
Description : Radian per second is unit of _______. (1) Momentum (2) Moment of Inertia (3) Frequency (4) Angle Velocity
Last Answer : (4) Angle Velocity Explanation: The SI unit of angular velocity is radians per second.
Description : Which among the following types of coal produces most heat per unit? (1) Coal (2) Lignite (3) Anthracite (4) Pit
Last Answer : (3) Anthracite Explanation: The heat content of anthracite ranges from 22 to 28 million Btu per short ton (26 to 33 MJ/kg) on a moist, mineral-matter-free basis. Anthracite ("coal-like" ... , and the highest calorific content of all types of coals, which also include bituminous coal and lignite.
Description : Tensile stress is equal to A. Force per unit area B. Force per unit volume C. Extension per unit length D. Extension per unit area
Last Answer : Force per unit area
Description : Normal force acting per unit cross sectional area is called A. weight B. pressure C. volume D. friction
Description : Number of conduction electrons per unit volume is A. electron number B. number density C. proton number D. neutron numbe
Last Answer : number density
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
Description : What is the SI unit for pressure? w) Torr x) pounds per square inch y) Pascal z) Kelvin
Last Answer : ANSWER: Y -- PASCAL
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
Description : The SI unit of pressure is the: w) Torr x) dyne per centimeter squared y) atmosphere z) pascal
Last Answer : ANSWER: Z -- PASCAL
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
Description : Which among the following types of coal produces most heat per unit ? (1) Coal (2) Lignite (3) Anthracite (4) Pit
Last Answer : Anthracite
Description : What is the unit of relative density? (1) kg/m (2) kg/m² (3) kg/m³ (4) It has no unit
Last Answer : (4) It has no unit Explanation: Relative density is the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material. So, it is a dimensionless quantity and has no unit.