Q.13 In a unit of Joule (J), calculate the rest energy associated with the following masses. Q.14 Calculate the mass defect of 92.906 Nb 41 where the nuclear mass is 92.883u

Assuming weightless pulleys and 100% efficiency, what is the minimum input force required to lift a 120 n weight using a single fixed pulley?

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.