Questions
A projectile is projected at an angle of 45° to the horizontal. The slope of trajectory of the body varies with time t as
a
b
c
d
detailed solution
Correct option is D
equation of the trajectory of the projectile is y=xtanθ-12gx2u2cos2θ dydx=tanθ-gxu2cos2θ so initial slope is tanθ as x increases slope decreases and becomes zero and finally becomes negativeTalk to our academic expert!
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A ball is projected obliquely with a velocity 49 ms–1 strikes the ground at a distance of 245 m from the point of projection. It remained in air for
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