4. What are the input and output of a bicycle system? O A. The input is pushing on the pedals and the output is the bike moving. OB. The input is the bike moving and the output is the bike stopping. C. The input is the bike moving and the output is the wheels turning.

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes

Need this now! do pilots live long

Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?