From a 200 m high tower, one ball is thrown upwards with speed of 10 ms -1 and another is thrown vertically downwards at the same speeds simultaneously. The time difference of their reaching the ground will be nearest to

Question

From a 200 m high tower, one ball is thrown upwards with speed of 10 ms -1 and another is thrown vertically downwards at the same speeds simultaneously. The time difference of their reaching the ground will be nearest to (A) 12 s (B) 6 s (C) 2 s (D) 1 s

Tardigrade Admin · Accepted Answer

The ball thrown upward will lose velocity in Is. It return back to thrown point in another 1 s with the same velocity as second. Thus the difference will be 2 s.

Q. From a $200 m$ high tower, one ball is thrown upwards with speed of $10 m s^{- 1}$ and another is thrown vertically downwards at the same speeds simultaneously. The time difference of their reaching the ground will be nearest to

12 s

6 s

2 s

1 s

The ball thrown upward will lose velocity in Is. It return back to thrown point in another $1 s$ with the same velocity as second. Thus the difference will be $2 s$ .

Q. From a 200m high tower, one ball is thrown upwards with speed of 10ms−1 and another is thrown vertically downwards at the same speeds simultaneously. The time difference of their reaching the ground will be nearest to

12 s

6 s

2 s

1 s

The ball thrown upward will lose velocity in Is. It return back to thrown point in another 1s with the same velocity as second. Thus the difference will be 2s.

Q. From a $200 m$ high tower, one ball is thrown upwards with speed of $10 m s^{- 1}$ and another is thrown vertically downwards at the same speeds simultaneously. The time difference of their reaching the ground will be nearest to

The ball thrown upward will lose velocity in Is. It return back to thrown point in another $1 s$ with the same velocity as second. Thus the difference will be $2 s$ .