speed and acceleration

Front

What does this graph represent? Options: Constant Speed, Acceleration, Deacceleration, Not moving

Back

Constant Speed

Front

What two measurements are necessary for calculating speed?

Back

Distance and time

Front

How long does it take a car to travel 40m at 12m/s?

Back

3.33 s

Front

Which graph shows: a car slowing down and coming to a stop? Options: A, B, C, D

Back

C

Front

What is the unit of acceleration?

Back

m/s²

Front

A negative acceleration means that your object is: constant, speeding up, at rest, or slowing down.

Back

slowing down

Front

A positive acceleration means that your object is: at rest , speeding up , moving , slowing down

Back

speeding up

Front

When is an object under uniform acceleration?

Back

when the velocity change is constant per unit time

Front

A bus starts from rest and accelerates to 14 m/s in 4 s. What is the average acceleration of the bus?

Back

3.5 m/s2

Front

What is the acceleration during the first 5 seconds? Options: 2 m/s², 4 m/s², 5 m/s², 10 m/s²

Back

2 m/s²