A baby bird leaves its nest and flies 5 miles north then 10 miles south. It took 1 hour total. a) What distance did it fly?
b) What is it's displacement (relative to the nest)
c) What is it's average speed for the trip?
d) what is it's average velocity for the trip?

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

The necleus of an atom is made up of what subatomic particles?

Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?