CONSERVATION OF MOMENTUM

Front

In a physics experiment, two carts of mass 1.5 kg each are rolled towards each other. The orange cart has a velocity of 2 m/s and the blue cart has a velocity of -1 m/s. The carts stick together when they collide. Calculate their final speed.

Back

0.5 m/s

Front

Two football players with mass 75 kg and 100 kg run directly toward each other with speeds of 6 m/s and 8 m/s respectively. If they grab each other as they collide, what is the combined speed of the two players just after the collision? Options: 2 m/s, 3.4 m/s, 4.6 m/s, 7.1 m/s

Back

2 m/s

Front

An 1 kg object moving to the right at 2 m/s collides inelastically with a 1 kg object moving to the left at 2 m/s. The final velocity of both objects will be: Options: 0 m/s, 1 m/s, 2 m/s, 4 m/s

Back

0 m/s

Front

A large box slides across a frictionless surface with a velocity of 12 m/s and a mass of 4 kg, collides with a smaller box with a mass of 2 kg that is stationary. The boxes stick together. What is the velocity of the two combined masses after collision?

Back

8 m/s

Front

The total momentum before a collision is _________ the total momentum after a collision.

Back

equal to 

Front

Law of Conservation of Momentum

Back

The total momentum before a collision is equal to the total momentum after a collision.

Front

According to Newton's Laws, for every action there is an ....

Back

equal and opposite reaction.

Front

In any collision (crash) the ______ is ALWAYS constant

Back

Total Momentum

Front

A big fish swims upon and swallows a small fish at rest. After lunch, the big fish has less

Back

velocity

Front

An external force _____ the total momentum of a closed system

Back

changes