pp 51-53 Flashcards
1
Q
the change in velocity per unit time
A
average acceleration
2
Q
acceleration opposite the direction of motion
A
deceleration
3
Q
What is the formula for acceleration?
A
4
Q
any change in velocity
A
acceleration
5
Q
the space relative to which motion is measured
A
frame of reference
6
Q
What term refers to any change in velocity?
A
acceleration
7
Q
What term describes a decrease in velocity over time?
A
deceleration
8
Q
What is a frame of reference? Why are frames of reference needed?
A
space relative to which motion is measured; all motion must be measured relative to something
9
Q
What do the letters in the formula for accelration stand for?
A
