Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Motion in Two and Three Dimensions
A balloon is moving upward with uniform acceleration g/8 cm/sec2 After half minute a body is dropped from them. The time taken by the body to reach on the ground is
1
10 seconds
2
15 seconds
3
20 seconds
4
More than one of the above
5
None of the above