Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Motion in a Straight Line Average velocity and average speed
A ball is projected in vertically upward direction, the altitude y is given by \(y=5{{t}^{2}}-2t+10\). The initial velocity of the body is
1
5 m/s
2
10 m/s
3
-2 m/s
4
More than one of the above.
5
None of the above