Physics, asked by poonam140907, 8 months ago

a bouncing ball rebound each time to a height one half that of previous one. it is dropped from a height of 5m ,the total distance travelled by a ball just before 3rd collision with ground is​

Answers

Answered by YuvrajBoora
1

Answer:

Given

h=5m

e=

2

1

Let, t be the time taken by ball to fall from height h and t

be the time taken by ball to come to rest.

The time taken by ball to fall from height h is

t=

g

2h

t=

10

(2)(5)

t=1sec

Now, the time taken by ball to come to rest is

t

=t[

1−e

1+e

]

t

=(1)

1−

2

1

1+

2

1

t

=

2

1

2

3

t

=3sec

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