Physics 3 Flashcards
(14 cards)
1
Q
Velocity
A
Change in speed over time
2
Q
Acceleration
A
Change in velocity over time
3
Q
motion is relative means?
A
an object is considered to be moving or at rest depending on the observer
4
Q
magnitude acceleration due to the Earth’s gravity?
A
9.8m/s/s
5
Q
Does acceleration increase as an object falls?
A
No it’s consistently 9.8m/s/s
6
Q
velocity of an object at its peak height
A
0m/s
7
Q
Displacement
A
the change in position of an object
8
Q
magnitude
A
size or amount of a physical quantity
9
Q
Scalar
A
physical quantity described by its magnitude and has no direction
10
Q
Vector
A
physical quantity described by its magnitude and direction
11
Q
Vector acceleration due to the Earth’s gravity?
A
-9.8m/s/s
12
Q
Where does gravity pull?
A
Down
13
Q
km/h into m/s
A
divide 3.6
14
Q
m/s into km/h
A
multiply 3.6
