Kinematics Question 37

Question: y component of velocity is 20 and x component of velocity is 10. The direction of motion of the body with the horizontal at this instant is [Manipal 2003]

Options:

A) tan1(2)

B) tan1(1/2)

C) 45°

D) 0°

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Answer:

Correct Answer: A

Solution:

vy=20 and vx=10
velocity v=10i^+20j^

direction of velocity with x axis

tanθ=vyvx=2010=2
θ=tan1(2)



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