Physics, asked by amruthaabi, 10 months ago

Please help me with this question
A body is dropped from a height h from the state of rest. It covers a distance of 9h/25 in the last second. What is the height from which the body falls?(in meters)
A. 12.5
B. 1.25
C. 125
D. Zero
Answer only if you know the answer

Answers

Answered by rohitrt2004
0

Answer:

Explanation:

Answer:

The height is 122.5 m.

b is correct.

Explanation:

Given that,

Distance in last second

Let us consider that a particle takes time t to reach the ground.

Using equation of motion

The total distance will be

....(I)

The particle covers the distance D' in (t-1)second

Using equation of motion again

....(II)

Divided equation (II) by equation(I)

Now, put the value of t in equation (I)

The height is

Answered by sanket6873
0

Answer:

12.5

Explanation:

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