Questions
A projectile goes farthest from the earth when the angle of projection is:
a
0o
b
45o
c
90o
d
180o
detailed solution
Correct option is C
In vertical direction,ui=usinθ, uf=0uf2−ui2=−2gs0−u2sin2θ=−2gss=u2sin2θ2gwhere s is the maximum height. For s to be maximum, sinθ should be maximum, i. e.,θ = 90°.Talk to our academic expert!
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A ball is thrown with a velocity of u making an angle with the horizontal. Its velocity vector normal to initial vector (u) after a time interval of
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