Kinematics Quiz

Speed is a __________ quantity and velocity is a __________ quantity.
Scalar, vector
Vector, scalar
An object can be moving for 10 seconds and still have zero displacement.
True
False
An object is NOT accelerating if it is moving
In a circle
At increasing speed
Only as influenced by gravity
At constant velocity
A car slows down from +32 m/s to +8 m/s in 4 s. The acceleration is
6 m/s/s opposite the motion
2m/s/s in the direction of motion
8 m/s/s opposite the motion
A cheetah travels 75 m in 3 s. What is her velocity over the interval?
225 m/s
25 m/s
0.04 m/s
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