P9 Flashcards
1
Q
What is velocity?
A
Velocity is speed in a given direction
2
Q
What is the direction of Motion of an object going round in circles?
A
Changes continuously
3
Q
If an object moves round in a circle at a constant speed is it’s velocity constant ?
A
No
4
Q
What is the acceleration of an object?
A
The acceleration of an object is it’s change of velocity per seccond
5
Q
What does acceleration = ?
A
Acceleration = v-u/t Acceleration= final velocity - initial velocity / time
6
Q
What is deceleration?
A
Deceleration or negative acceleration is used in any instance where an object slows down.
7
Q
A straight line going up a velocity time graph =
A
Increasing at a constant acceleration
