8. A stone is projected with a velocity 10/2 ms -- at an angle of 45° to the horizontal ground. The average velocity of stone during its time of flight is (1) 10 ms -1 (2) 10√5 ms -1 (3) 5√5 ms (4) 20 ms
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Explanation:
Correct option is
B
10
5
m/s
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