A ball is gently dropped from a height of 30m. If its velocity increase uniform at the rate of 10m/s with what veloscity will it stricks the ground ? After what time will it stricke the ground
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- A ball is gently dropped from a height of 30m.
- Its velocity increase at the rate of 10m/s².
- The velocity with it strikes the ground .
- The time after which it strikes the ground .
Here the ball is dropped from the height of 30m . Hence it will have a initial Velocity of 0m/s . The distance travelled by the ball is equal to the height of the tower and that is 30 metre . Now using the Third equation of motion , we have ,
Now we need to find the time of fall . Here the acceleration of the ball is 10m/s² . Initial Velocity is 0m/s and the final velocity is 24.5 m/s . Now using the First equation of motion ,
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