An experiment in which alpha particles were used to bombard thin sheets of gold foil led to the conclusion that an atom is compo
1 answer:
You might be interested in
Answer:
1280 J
Explanation:
see pic
The acceleration of the baseball is:
where
and 
are the final and initial speed of the ball, and 
is the time interval in which the force acted.
Replacing the numbers, we get
And at this point, we can use Newton's second law F=ma to find the value of the force of the pitching machine:
where
Replacing the numbers, we get
And at this point, we can use Newton's second law F=ma to find the value of the force of the pitching machine: