A 10 kg girl goes to a park to play on a playground merry-go-round about 1.5 m in diameter. If the coefficient of static friction between her shoes and the merry-go-round is 0.480 at what frequency can he spin the ride so that he knows she will not slide off? please hel

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

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

Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.