A 400 Kg Object Is Moving at 5

question 66

Multiple Choice

A 4.00 kg object is moving at 5.00 m/s NORTHWEST.It strikes a 6.00 kg that is moving SOUTHWEST at 2.00 m/s.The objects have a completely inelastic (stick together) collision.The kinetic energy lost in the collision is

• A) 20.4 J.
• B) 28.7 J.
• C) 34.8 J.
• D) 40.2 J.
• E) 45.1 J.