To calculate the heat needed to boil a pot of water at 100c, what do you need to know? a. the mass and latent heat of fusion b. the mass and amount of work done c. the mass and latent heat of vaporization d. the mass, temperature change, and specific heat capacity

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted