A particle is projected in a vertical plane such that
its velocity with time varies according to the
relation -10i+10j+(20-10t)k (ms). Take
horizoatal ground as the x-y plane and vertical
along z-axis. If the particle was projected from
origin. Find the time after which the particle again
strikes the ground
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Answer:
Explanation:
The particle will strike the ground in 5 minutes 15 seconds
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