Acceleration Flashcards
1
Q
What is acceleration?
A
The acceleration of an object is a mesure of how quickly it’s velocity changes
2
Q
What does deceleration mean ?
A
Slowing down
3
Q
What is the equation for acceleration ?
A
a=v-u
—-
t
4
Q
What is change in speed measured in ?
A
Meters per second
5
Q
What is time taken measured in ?
A
Seconds
6
Q
What is acceleration measured in ?
A
Meters per second squared
7
Q
A racing car accelerates from rest to a speed of 60m/s in a time of 4 seconds what is the acceleration of the car ?
A
60-0m/s
——— =15
4
8
Q
A Hungary cheetah spots a gazelle and decides to chase it. The cheetah accelerates at 10m/s sqaured firm rest until it reaches 20m/s. How long did this take ?
A
20-0=20
20 dived 10 =2
Time =2 seconds
