Draw lines to match the terms to the situations that match.
1 point
1
Question 2
2.
Imagine that you are hovering next to a space shuttle and your buddy of equal mass, who is moving a 4 m/s with respect to the ship, bumps into you. If he holds onto you, how fast do you both move with respect to the ship? (Round to the nearest whole number with units)
1 point
1
Question 3
3.
If the velocity of an object is doubled, what happens to the momentum?
10 points
10
Question 4
4.
Which has the most momentum?
10 points
10
Question 5
5.
Which has the most momentum?
1 point
1
Question 6
6.
An inelastic colision is one where
1 point
1
Question 7
7.
Which of the following is a perfectly elastic collision
1 point
1
Question 8
8.
A rocket ejects 400 kg of fuel over 2 seconds. The fuel is ejected with a velocity of 250 m/s. If the rocket is in space and immobile, and before the fuel was ejected weighed 40000 kg. what is the rocket's new velocity?
1 point
1
Question 9
9.
Think through the water bottle launch. What are the downsides to more water in the bottle? what are the downsides to too little water in the bottle?