What is the path followed by a Javelin projected horizontally by an athlete?

Show that the path of the body projected in a horizontal direction from a height is a parabola.

What is mean free path?

Find the angle of projection so that a body when projected has the horizontal range equal to the maximum height attained.

Explain why a body dropped from rest and another projected horizontally from the same height strike the ground at the same time.

What is the work done on a body of mass m moving around a horizontal circle of radius r?

An object thrown at a certain angle to the ground moves in a curved path and fails back to the ground.. The initial and the final points of the path of the object lie on the same horizontal line. What is the work done by the force of gravity on the object?

What is the projection vector of veca along vecb ?

A 50 kg girl wearing high heel shoes balances on a single heel. The heel is circular with a diameter 1.0 cm. What is the pressure exerted by the heel on the horizontal floor?