1. A particle undergoing circular motion in the xy-plane stops on the negative x-axis. Which of the...

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Physics

1. A particle undergoing circular motion in the xy-plane stopson the negative x-axis. Which of
the following does not describe the angular position?
a) 4Ï€ radians
b) Ï€ radians
c) 5Ï€ radians
d) 3Ï€ radians
2. Two balls collide. The first ball (mass 3 kg) reaches a speed of40 m/s before the collision.
After the collision, the first ball has stopped and the second ball(mass 3 kg) travels at 40 m/s.
What was the initial velocity of the second ball?
a) -13.33 m/s
b) 40 m/s
c) 13.33 m/s
d) 0 m/s
3. Which of the following is not conserved in a collision where twocars bounce off each other
and move at different velocities?
a) momentum
b) energy
c) impulse
d) none of the above
e) all of the above
4. What type of collision is two billiard balls colliding, wherethey bounce off each other and
move at equal and opposite velocities?
a) Elastic
b) Inelastic
c) Perfectly inelastic
d) Perfectly elastic

Answer & Explanation Solved by verified expert

4.2 Ratings (634 Votes)

1 when a particle stops on the ve x axis which is pi radians among the given options 4pi radians is not describing the angular position along y direction pi2 radians along x axis 2pi2 radians pi See Answer

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