What is the resistance of a 20.0-m-long piece of 12-gauge copper wire having a 2.053-mm diameter?

Q: A pumped water storage plant has a head of 600 m and volume 5 x 10° m². How much potential energy is…

A: Height of Storage tank equal to 600 metre

Q: Rings 2 n work done by the мал 2

A: Write the expression for the work done. W=F→⋅d→W=Fdcosθ Here, F is the force, d is the distance, and…

Q: power mower does 8 x 104 J of work in 0.4 h. What power does it use

A:

Q: Exergy (Work Potential) Associated with Kinetic and Potential Energy.

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Q: How much work must be done by frictional forces in slowing a 1,599-kg car from 14.7 m/s to rest?…

A:

Q: what is the power used in this exercise?

A:

Q: How much work is done lifting a 20 pound object from the ground to the top of a 50 foot building if…

A: Weight = 20 pounds Weight per foot = 2.5 lb/ft Height = 50 ft Workdone, W = ?

Q: 1) Find FF u=0.5 2) Find FN and Fparallel Inclined plane 30° 20kg थे 80N

A:

Q: Derive relationship of Power (a secondary dimension) in terms of primary dimensions

A: Any quantity can be defined in terms of primary quantities which are mass, length , time and…

Q: A large household air conditioner may consume 14.0 kW of power. What is the cost of operating this…

A: Unit of power=KiloWatt=KW Unit of Time=hour Power=Energy/time Energy=Power X time Unit of energy is…

Q: 28. How much work is done lifting a 3-m chain over the side of a building if the chain has mass…

A: Required : Work done in lifting a chain.

Q: Which of the following is not a unit of power? O J/s O N'm O horsepower Watts

A:

Q: How much work is done by a machine to lift 750 kg of bricks to a height of 8.2 m?

A: Work done = gain in the potential energy by the bricks = m×g×h Here, m= 750 kg            g= 10 m/s2…

Q: How much work is done lifting a 35 pound object from the ground to the top of a 30 foot building if…

A: