3.) what is the velocity of a 5.5 kg object that has a momentum of 550 kg-m/s?

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

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

It is really hard for me right know