Total score: of 25 points
(Score for Question 1:
of 10 points)
1. A 1.5 kg baseball is pitched at 38 m/s and is hit by the batter. It heads directly back at the pitcher at 27 m/s.
a) Find the impulse applied to the ball.
b) If the bat is in contact with the bat for 0.45 sec, how much force was applied.
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a.) is the correct answer.

explanation:

the displacement produced by the body.  

the amount of force subjected to the body.  

the angle between the direction of force and displacement

beta is electron from nucleus

something from nucleus has changed, but charge must be same for cons of charge

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle