RRB Paramedical Staff Nurse Model Paper 3

Question : 95 of 100

Marks: +1, -0

An object is projected upwards with a velocity of 100 m\/s.The time after which it will strike the ground is

(g = 10ms^{−2 })

Solution:

Time of flight

= 2u{/}g=2×100{/}10=20sec

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