5. A force of 1.0 X 10% N is exerted on a 50-g bullet throughout the 10-cm length of a gun barrel. 2. How much work was done on the bullet?
b. How much kinetic energy did the bullet have when it left the gun barrel?
KE =
c. What was the speed of the bullet when it left the gun barrel?

Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.

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.

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.