Question 8 of 10 An 80.0 kg man playing hockey catches a puck moving at 20.0 m/s. The man
is initially at rest. The man and puck move together after the collision. The
puck's mass is 0.16 kg. What is the final velocity?
A.4.00 m/s
B. 13.6 m/s
C. 0.04 m/s
D. 1.36 m/s

gets less

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

i'm on my way to history not a mistory.