Kinematics Question 647

Question: A projectile is fired with a velocity v at right angle to the slope Which is inclined at an angle θ with the horizontal. The range of the projectile along the inclined plane is:

Options:

A) 2v2tanθg

B)v2secθg

C) 2v2tanθsecθg

D)v2sinθg

Show Answer

Answer:

Correct Answer: C

Solution:

[c] If t it’s the time of flight, then 0=vt12(gcosθ)t2t=2vggcosθ.

R=0+12(gsinθ)t2=12gsinθ(2vgcosθ)2

=2v2gtanθsecθ



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