Questions
When a body is projected horizontally from a point on an inclined plane having inclination 300 with horizontal, maximum height attained by it is found to be 20 m. When the same body is projected with same speed from a point on the same inclined plane in a direction perpendicular to the plane maximum height attained by the body with respect to the inclined plane will be
a
b
c
d
detailed solution
Correct option is A
For horizontal projection ,u2 sin23002×10×cos 300 = 20 ⇒u2 =8003 m2/s2For projection normal to the inclined plane , Hmax =u22g cos β= 80032×10×cos 300 m ⇒Hmax =80 mTalk to our academic expert!
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