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3.6k views
in Physics by (82.1k points)
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Find time of flight if projectile thrown horizontally with speed `10 ms^(-1)` from a long inclined plane which makes an angle of `theta = 45^(@)` from horizontal.
A. `sqrt(2)sec`
B. `2sqrt(2)sec`
C. `2sec`
D. none

1 Answer

+1 vote
by (84.3k points)
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Best answer
Correct Answer - C
`T = (2u_(y))/(a_(y))`
`T - (2xx10sin 45^(@))/(g cos 45^(@))`
`T = 2sec`
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