A large step van collides head on with a small automobile. The van is travelling

Question

A large step van collides head on with a small automobile. The van is travelling twice as fast as the car before they impact.

1A. for which is the associated impulse(magnitude), due to the collision, the greatest?

1B. For which vehicle is the associated impact force(magnitude) greatest due to the collision?

1C. Which vehicle undergoes the greatest magnitude of mementum change due to the collision?

Not enough information to say is one of the options in the mulitple choice answers.

2. A rotating dvd disk turn while dissembling a dvd player. As the disk rotates at a rapid but constant rate, joe does not observe any angular(rotational) acceleration.

a. The torque from the dvd player only causes rotation not acceleration.

b. There is no net torque acting on the disc even though it is rotating.

c. There is a constant angular acceleration he just doesnt see it.

d. all of the above

e. none of the above

Explanation / Answer

1a)car

b)van

c)van

2) b,c

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