NEET Class neet Answered
explain
Asked by adititiwari601 | 30 Jun, 2022, 08:08: AM
Expert Answer
Vertical displacement y(t) = 10 t - t2 ..................(1)
Vertical velocity , dy/dt = 10 - ( 2 t )
when the ball reaches maximum height , vertical velocity is zero
Hence time taken by the ball to reach maximum height is determined as follows
dy/dt = 10 - ( 2 tmax ) = 0
from above expression, we get time taken tmax to reach maximum height is determined as
tmax = 5 s
Vertical displacement at t = 5 s is calculated from eqn.91)
y(5) = (10×5) - ( 5 × 5 ) = 25 m
maximum height attained by ball = 25 m
Answered by Thiyagarajan K | 30 Jun, 2022, 10:09: AM
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