Homework Statement
A baseball strikes a bat. It's moving at 40m/s to the left horizontally. When it hits the bat it leaves at 60m/s with an angle of 30 degrees to the horizontal. The mass of the ball is 0.25kg. Homework Equations
P(momentum)=mv
Pf-Pi=ΔP
ΔP=J(impulse)
The Attempt at a Solution...
Well the question for d did not specify an initial velocity, it just said released, so I think it's right.
Oh right, I better not make that mistake on the exam haha.
Homework Statement
A ball is thrown vertically downward with a velocity of 30 ft from the top of a building.
Find
a.)What it's speed will be after falling 2 seconds
b.)How far it will fall in 2 seconds
c.)What will be its velocity after 30 ft
d.)If the ball was released at 120 ft...