How far it moves over a certain period of time, but unlike the term "speed" velocity is a vector quantity and tells you the direction of an object (speed is also distance over time just without a direction). This means an object can have negative velocity, but it can't have negative speed.
Answer: c. number of time the swing moves.
evidence: “the students count how many times the swing move back and forth before stopping”
I think the answer is Bell 4 may have either a positive or neg
Answer:
momentum
Explanation:
the impulse is equal for both carts, the momentum for both carts is zero both before the string is cut and after it is cut
D - tertiary consumer
This is because it is the farther up to food chain.