<h3>WATER</h3>
Explanation:
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Answer:
v= 335 m/s
2∆t= 0.75 s
∆x= v.∆t → ∆x= 335×½×0.75 = 125.625 m
Answer:
38.67 N
Explanation:
v = Final velocity = 40 m/s
u = Initial velocity
m = Mass of ball = 0.145kg
s = Displacement of ball = 3 m
Equation of motion

F=ma

∴ Average force that a baseball pitcher's hand exerts on the ball is 38.67 N
Answer:
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Explanation:
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