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A particle is projected up with a velocity of $v_{o}$ = 10 m/s at an angle of $θ_{o} = 60^{0}$ with horizontal onto an inclined plane. The angle of inclination of the plane is $30^{0}$ . The time of flight of the particle till it strikes the plane is (take g = 10 $m / s^{2}$ )

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detailed solution

Correct option is C

T= 2usinα-θg cosθ = 2×10×1/210 ×3/2 =23 s

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A particle is projected up with a velocity of vo = 10 m/s at an angle of θo = 600 with horizontal onto an inclined plane. The angle of inclination of the plane is 300. The time of flight of the particle till it strikes the plane is (take g = 10 m/s2)

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A particle is projected up with a velocity of $v_{o}$ = 10 m/s at an angle of $θ_{o} = 60^{0}$ with horizontal onto an inclined plane. The angle of inclination of the plane is $30^{0}$ . The time of flight of the particle till it strikes the plane is (take g = 10 $m / s^{2}$ )