Question

An object has a kinetic energy of 254 J and a momentum of magnitude 24.8 kg...

An object has a kinetic energy of 254 J and a momentum of magnitude 24.8 kg · m/s.

(a) Find the speed of the object.  m/s

(b) Find the mass of the object. kg

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Answer #1

Given Kinetic energy ,

Momentum ,

(a)Speed of Object

Only Unknown is speed

ANSWER:

=====================

(b)Mass of Object

Momentum ,

ANSWER :

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