P&Q are 2 forces such that their resultant is R . IF Q is doubled R IS also doubled if Q is reversed then again R is doubled then p.t. P:Q:R:: 2 : 3 : 2 ...
A rocket is launched straight up with an initial speed of 40 m/s. It accelerated with a constant upward acceleration of 9.0 m/s^2 until the engine stops at an altitude of 350m. a. What is the maximum height reached by the roc ...