Question 7 A student standing on a skateboard at rest throws a bowling ball. How does the momentum of the student compare to the momentum of the bowling ball
after it is thrown? (6D)
Answer
A the momentum of the student is greater than the ball
B the momentum of the student and ball are equal.
the momentum of the ball is greater than the student
not enough information is given
Spe
D

Which quantities are scalars? choose all that apply a. distance b. speed c. acceleration d. velocity

2.22/3.33 points | previous answers tamucolphysmechl1 4.pre.002. ask your teacher my notes question part points submissions used on a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s. it strikes a red glider that has mass 0.600 kg and that is initially at rest. after the collision, the blue glider is moving to the left with a speed of 2.40 m/s. (a) what are the magnitude and direction of the velocity of the red glider after the collision? magnitude 3.33 m/s correct: your answer is correct. direction correct: your answer is correct. (b) is this collision elastic?

Which example has gravitational potential energy? a. a horse slowing down from a run b. an apple about to fall from a tree branch c. a bicycle being pedaled down a horizontal path d. beaker sitting on the floor