Tyson throws a shot put ball weighing 7.26 kg. at a height of 2.1 m above the ground, the mechanical energy of the ball is 172.1 j. what is the velocity of the ball at the given point? m/s

2.5 m/s

Explanation:

Mechanical energy is the sum of the potential and kinetic energy.

E = PE + KE

E = mgh + ½mv²

172.1 J = (7.26 kg) (9.8 m/s²) (2.1 m) + ½ (7.26 kg) v²

v = 2.5 m/s

carla slowed down in the beginning of her trip, stopped, and then sped up

like poles repel so keep pushing north to north and repels funny to see this