Answer:
The answer is B. It is the one that has the triangle pointing up on the topside of the rope and seems to be a bit bigger than the other triangles.
Explanation:
i think its d im not sure
Answer:
My best guess would be B due to the fact of friction in a simple machine
Answer:

Explanation:
Given:
- mass of nerf projectile,

- velocity of nerf projectile,

- mass of the gun,

Now in this case the collision can be assumed to be perfectly elastic.
<u>For an elastic collision:</u>

where:
recoil velocity of the gun

