Aball is dropped off a very tall canyon ledge. gravity accelerates the ball at 9.8 m/s2. how fast is the ball traveling after 5 seconds?

As ball is dropped, so its initial velocity (u) of the ball is = 0

Acceleration of the ball (a) is given to be 9.8 m/s^2

As acceleration is constant, so we can apply the equation of kinematics for constant acceleration i.e.

where u is initial velocity, a is acceleration and v is final velocity at after time t

so velocity after 5 sec will be

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