What is the SI unit for 1. gravitational potential energy 2. kinetic energy 3. force 4. electric energy 5. gravitational kinetic energy 6. a distance traveled by the object possessing kinetic energy? 7. work 8. work done 9. electrical power

Q: The unit kilowatt-hour is a measure of(a) the rate at which energy is transformed.(b) power.(c) an…

A: kilowatt hour

Q: A laptop computer consumes about 40 watts of electricity per hour when operating. At $0.20 per…

A: Power of laptop = 40 watt Time = 10 hours  Cost of electricity = $0.20 per kilowatt hour

Q: Define gravitational potential. Use the data below to show that its value at the Earth's surface is…

A: We know that The gravitational potential energy at the surface of the earth is U = MgR U/M = gR Here…

Q: hich is faster? Speed of light or electrici

A: When light falls on a substance, some light energy gets refracted and some get absorbed by the…

Q: A microwave oven has a power requirement of 1,251 W. A frozen dinner requires 6.8 min to heat on…

A: (a) Energy used in kWh

Q: What are two different units used for power? You may include either the unit or its Which unit is…

A: ( power = energy / time ) In the International System of Units (SI), the unit of power is the Watt…

Q: 1. A huge stone is pushed by a 46N of force. If there is only 12.5N of friction, and the stone's…

A: According to Bartleby policy I can only answer one question. So please post the other questions…

Q: 8.Calculate the work done (transforming electrical energy into light) by a 75 Watt light bulb if it…

A:

Q: Which is not a unit of power? a.joule per second b.kilowatt-hour c.Newton-meter per second…

A:

Q: A microwave oven has a power requirement of 1,255 W. A frozen dinner requires 4.2 min to heat on…

A: Given,

Q: How long would it take a 600 W electric motor to do 17,500 J of work

A: Given data: Power (P) = 600 W Work (W) = 17,500 J Required: Time (t)

Q: What is the speed of electricity?

A: The word electricity  generally refers to the movement of free electron within conductor in presence…

Q: A school is paying $0.12/kWh for electric power. To reduce its power bill,the school installs a wind…

A: Power generated per year

Q: Calculate how much will it cost to light a 25 Watts light bulb for 110 minutes. The cost of…

A:

Q: In the science fiction story "The little prince is an android" a second journey of the character…

A:

Q: A 1200W microwave oven transforms 1.8 x 10^5 J of energy while reheating some food. Calulate how…

A:

Q: QUESTIONS Two vecton gven by A und O-310 145 -1 00 A) 7 (al 100 A

A: According to our guideline we have to the first question only. please upload other question…

Q: give a description about the given applications  -energy

A: Energy is the fundamental form of living for all living beings. There are different forms of energy…

Q: How much work does a 5000 Watt clothes dryer do when you run it for 30 minutes? 30 minutes = 1,800…

A:

Q: 18 A toy car works by means of a stretched rubber band. What form of potential energy does the car…

A: The Toy car works by means of a stretched rubber band. It is true that it will store POTENTIAL…

Q: QUESTION 1 Kinetic energy is the work done by a force acting through a distance. QUESTION 2 Voltage…

A: Explanation : When a force act on an object through a distance then it is said to have that work is…

Q: A person uses a 3 kW electric fire for 3 hours and a 2 kW heater for 5 hours. What is the total cost…

A:

Q: Define or describe energy, and explain the relationship between potential and kinetic energy.

A: Energy is defined as the capacity to do any work by an object. There may be many types of energies…

Q: the electric potential energy

A:

Q: What is the formula for electrical power? O A. P = IV О В. Р-IV/R ОС.Р-IR O D. P= IVR

A: Electric power is the time rate at which electrical energy is transferred by an electric circuit

Q: While taking the stairs it takes you 10 seconds to reach the top. The next time you take the same…

A: The power required to climb is given by : P=Wt Where W is work done t is the time taken

Q: A 300W computer is used for 90 minutes. What is the energy used in kWh? How much will it cost to run…

A: Given Data: The power used by the computer is: P=300 W The time duration in which P amount of power…

Q: A microwave antenna with a mass of 80 kg sits atop a tower that is 50 m tall. What is the antennas…

A:

Q: Define kilowatt-hour and state its value in SI unit?

A: Kilowatt-hour is the energy consumed by an electrical device of power 1 kilowatt for one hour.SI…

Q: A dog chasing a ball through a field has 7,500 J of kinetic energy. What is the dog's mechanical…

A: Mechanical energy is addition of kinetic energy and potential energy.

Q: 40.) Power is the rate at which energy is transferred. work is the process of transferring energy…

A:

Q: n electric clothes dryer is rated at 3,500 W. How much energy does it use in 25 min

A: Given Power of electric clothes dryer is P=3500  W…

Q: For centuries, the people of Paradis Island have been isolated from the rest of the world. The SI…

A:

Q: 7.How much time would be required to do the same amount of work in the above question using only one…

A: The expression for the power is given as P=Wtt=WP

Q: A family of five is planning to install solar panels on the roof of their home to help reduce the…

A: Dewr student The energy rating is given in KiloWatt Hour. As we know the power is rate of doing…

Q: A microwave oven has a power requirement of 1,244W. A frozen dinner requires 5.8 minute to heat on…

A:

Q: 35. The curr . the capa A. V3H В. 0.3Н С. 0.4Н D. (5/VE E. 5H

A:

Q: Some outdoor security lights are kept on overnight - 7 hours. They use 164 watts of power (figure…

A: Answer:-  Given  Power (P) = 164 Watts  P = (164/1000) kW = 0.164 kW  Time (t) = 7 hours  We know…

Q: le kw-hr is used by electric companies to determine our (choose one): i. Power consumption ii.…

A: Since you have asked multiple questions we will solve the first question for you. If you want any…

Q: Define a kilowatt hour. How is it related to joule?

A:

Q: A spaceship needs a lot of fuel to reach the geostationary orbit. Compute the required height for a…

A: Given,

Q: A 4874 Ibm automobile is stopped at a red light. When the light changes to green, the automobile…

A: mass, m = 4874 lb = 2210.8 kg   final velocity,  v = 40 mph = 17.9 m/s initial velocity, u =0 m/s

Q: The mass of a baseball is 1.649 lb. determine its kinetic energy relative to home plate of a 85.17…

A: Given, Mass of the baseball, m = 1.649 lb velocity of ball relative to home plate, v = 85.17 mile…

Q: What is energy?  Explain why scientists care about this concept as part of their work.

A:

Q: Lee watches TV for 2 hours per day. During that time, the TV consumes 150 watts per hour.…

A:

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.