A particle is projected with a velocity of 20 m/s at an angle of 30 0 to an inclined plane of inclination 30º to the horizontal. The particle hits the inclined plane at an angle 30 0 , during its journey. The time of flight is –
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Particle hits the inclined plane at an angle of 30 0 , which means that the particle hits the plane horizontally. Thus this is the highest point of trajectory.
T = 
= 
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