That one's hard but I'm not really sure what the answer is
Electronssssssssssssssssssssssssssss
Answer:
A few of the positive particles aimed at a gold foil seemed to bounce back.
Explanation:
Answer:
C. 30.6m
Explanation:
To find the height of the tower, we are to use Newtons law of motion to solve this problem. Since the penny is falling from the top of the tower, it is acted by the acceleration due to gravity. The formula to be used is:

Where H is the height of the tower, t is the time taken to hit the ground, u is the initial velocity and g is the acceleration due to gravity.
Given that, t = 2.5 s, g =9.8 m/s², u = 0 m/s (at the top of tower)

An object can be at rest and still be in motion because the earth is always in motion.