An object accelerates uniformly from 3.0 meters
per second east to 8.0 meters per second east in
2.0 seconds. what is the magnitude of the
acceleration of the object?
(1) 2.5 m/s2 (3) 5.5 m/s2
(2) 5.0 m/s2 (4) 11 m/s2

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

(8%) problem 12. a bowling ball of mass mb 3 kg 's rolled down the lane with a velocity ofy-2/ m s lt strikes a single remaining pin mp 0.93 kg head on. after the collision the bowling ball has a velocity (in the same direction) of v2 1.1 m/s. = ▲ 33% part (a) write an expression for the velocity of pin in the horizontal direction after the impact, im ,, 33% part (b) what is the pins speed in ms? 33% part (c) assuming the coefficient of friction s μ,-0.1. how far in meters could the pin slide before stopping if it doesn't topple?

What caused magnetic fields? what happens if you keep breaking a magnet in two until you reach a single atom?