Naoki's bicycle has a mass of 11 kg. if naoki sits on her bicycle and starts pedaling with a force of 110.5 n, causing an acceleration of 1.7 m/s2, what is naoki's mass?

Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.

How does an observation about an object differ from an inference about that object