acceleration Flashcards
1
Q
what is acceleration
A
the change in velocity in a certain amount of time
2
Q
what can you use to find the average acceleration of an object
A
acceleration = change in velocity over time
3
Q
what is deceleration
A
it is negative acceleration ( if something slows down the change in velocity is negative
4
Q
what is constant acceleration sometimes known as
A
uniform acceleration
5
Q
what is the equation for uniform acceleration
A
final velocity (v2) -initial velocity (u2) = 2as (a- acceleration s- distance
6
Q
what is the typical speed for a car
A
25 m/s
7
Q
typical speed for a person walking
A
1.5 m/s
8
Q
typical speed for a train
A
30 m/s
9
Q
typical speed for a person cycling
A
6 m/s
10
Q
what is uniform acceleration
A
speeding up or slowing down at a constant rate
