Find Velocity given kinetic and momentum

Question

A 0.18 kg ball of dough is thrown straight up into the air with an initial speed of 12 m/s. The acceleration of gravity is 9.81 m/s 2 . a) What is its momentum at its maximum height? Answer in units of kg · m/s

Answer 1

m = 0.18 V_o = 12 m/s. g = -9.81 m/s ².

a) What is its momentum at its maximum height?

At maximum height, the vertical velocity becomes 0 as all the initial KE is transferred into gravitational potential energy. Therefore P = mV and V = 0, ==> P = 0