Speed/Acceleration Review

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 seconds

Tags

NGSS.MS-PS3-1

Speed -

• A measure that gives rate of change and position

• A measure that dissolves to one unit

• A measure of distance an object travels per unit of time.

• A measure of distance an object travels per unit of measurement.

Tags

NGSS.MS-PS3-1

Motion is

• a word that rhymes with ocean.

• an object's change in its speed to a reference point.

• an object's change in position to a reference point.

• an object's change in position to its rate of speed.

A toy car moved along a 1.2 km track in 6 min. Find the speed of the toy car.

• 0.2 km/h

• 1.2 m/min

• 12 km/h

• 200 m/h

Tags

NGSS.MS-PS3-1

A car travelled 52 km in  ½h. Find the speed of the car.

• 104 km/h

• 85 km/h

• 26 km/h

• 17 km/h

Tags

NGSS.MS-PS3-1

When was the object sitting still?

• between 5 and 6 seconds

• between 2 and 5 seconds

• between 1 and 2 seconds

• between 0 and 1 second

At what point is the object moving back to the starting point?

Segment D-E: The bus is _________________. It is gradually increasing it's speed.

• accelerating

• decelerating

• constant speed

• at rest

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What line has the greatest speed?

• Line A

• Line B

• Both

• Neither

Tags

NGSS.MS-PS3-1

A golf ball accelerates off a tee at 15m/s², changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?

• 750 seconds
• 35 seconds
• 0.3 seconds
• 3.3 seconds

Tags

NGSS.MS-PS2-2