1. what is the momentum of a 20.0 kg scooter traveling at 5.00 m/s?

Question

4.00 kg m/s
20.0 kg m/s
25.0 kg m/s
100 kg m/s

2. Which of the following describes the relationships between friction and inertia?
when there is more friction, there is less inertia
when there is less friction, there is more inertia
when there is more friction, there is more inertia
when there is no friction, there is more inertia.

3. Jellyfish sometimes squeeze in the sides of their bodies. This pushes a stream of water from the back end of their bodies. According the Newtons third law of motion, how will this behavior affect the movement of the jellyfish?
The jellyfish will move forward
The inertia of the jellyfish will increase
The jellyfish will move backward
The jellyfish will stay still

4. Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s
a 71 kg lion running at 10 m/s
a 45 kg zebra running at 13 m/s
a 5,000 kg elephant walking at 1 m/s
a 61 kg zebra running at 8.0 m/s

5.According to newtons third law of motion, if a rolling back collides with a wall and exerts a force of 3 n on that wall, how much force does the wall exert back on the ball?
0 N
3 N
6 N
9 N

6. After an avalanche, a huge block of a stone slid down a mountain and landed in the middle of a road. People in the nearby town had a very difficult time moving it out of the road, The block of stone is difficult to move because.
it has a high amount of momentum
has balanced forces acting on it
it has a high amount of inertia
has unbalanced forces acting on it

Answer 1

What are YOUR answers?