1. a bus travels down a straight highway and goes from 0 to 10m/s in 5 seconds. what is its accelaration?

A.2m/s2
B.3m/s2
C.4m/s2
D.5m/s23

2.which of the following is TRUE about speed and velocity?

A.speed is a vector and velocity in scalar.
B.velocity is the speed in a particular direction.
C.an object can accelerate even if the velocity is constant.
D.a change in speed causes an acceleration. a change in velocity causes deceleration.

3. a bicycle has an average speed of 2m/s. this means that_____.

A.in 1 second, it travels 1 meter.
B.it can travel 4 meters in 2 seconds.
C.it takes 2 seconds to travel 1 meter.
D.it can travel 2 kilometers, or reference point.

4.it describes an object's change in position relative to another object, reference point.

A.displacement
B.distance
C.motion
D.point of reference



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