A ball is projected from the top of tower of height 80m, with a velocity 30m/s. what is the magnitude of the velocity of the ball when it strikes the ground?
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50m/s
v ^2= u^2+2gh
u=30m/s
g=10m/s^2
h=80m
Substitute in the equation
v ^2= u^2+2gh
u=30m/s
g=10m/s^2
h=80m
Substitute in the equation
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