toni has a mass of 45.0 kg and is moving with a speed of 10.0m/s when she is forced to slow to 5.00 m/s. Find her initial kinetic energy, her final kinetic energy and the work she does to slow down.​

In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules

Which composition of water moves to begin a deepwater current?