Grade 9

1-     Your speed at any given point, for example what you read on your speedometer is your ____________.

• a.     Instantaneous speed

• a.     Velocity

• a.     Average speed

• a.     Constant speed

2-    In this graph , the object is …………

• Speeding up

• SLowing down

• no moving

• moving in constant speed

   Motion is any change in __________.

• Speed

• Time

• Velocity

• Position

Acceleration is rate of change of _________ over time

• Velocity

• Time

• Position

• Reference point

A school bus leaves school and heads east for 2 miles before making its first stop. It then turns left and heads north 3 miles before making another stop. What is the total distance traveled by the school bus?

• a.      3.61 miles

• a.      1 mile

• 3 miles

• 5 miles

When something has speed in a certain direction it is called ___________.

• Speed

• Motion

• Velocity

• Position

On a distance vs time graph, the slope indicates the _________.

• The total distance traveled

• The speed of the object

• The time it took for the object to travel

• The acceleration

A helicopters speed increases from 25 m/s to 60 m/s in 5 seconds. What is the acceleration of this helicopter?