An object has a kinetic energy of 233 J and a momentum of magnitude 20.4 kg·m/s. Find the speed and the mass of the object.

Question

Cory Payne

Physics

6 May, 06:44

An object has a kinetic energy of 233 J and a momentum of magnitude 20.4 kg·m/s. Find the speed and the mass of the object.

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Brice · Answer 1

Kinetic energy (K. E) = 1/2 mass x velocity²

Momentum (P) = mass x velocity

K. E = 1/2 Pv

233 = 1/2 x 20.4 x v

v = 22.8 m/s

20.4 = 22.8m

m = 0.89 kg