5-21 8th final

This graph demonstrates an object that is -

• Increasing speed
• At a constant speed
• Decreasing speed
• Stationary

Tags

NGSS.MS-PS3-1

This graph demonstrates an object that is -

• Increasing speed
• At a constant speed
• Decreasing speed
• Stationary

Tags

NGSS.MS-PS3-1

This graph demonstrates an object that is -

• Increasing speed away from the start
• Moving away from the start at a constant speed
• Decreasing speed toward the start
• Moving toward the start at a constant speed

Which line represents an object moving at a faster speed?

• A
• B

Tags

NGSS.MS-PS3-1

Match the following "Kick" trials to the accurate speed values.

• Speeding up, slowing down, and/or changing direction.

• Speed

• 2.0 seconds

• Kick 2

• 10 m/s

• 
• 11 m/s

• Acceleration

• The rate at which an object travels within a certain time frame.

• Kick 1

Tags

NGSS.MS-PS3-1

A bus travels 20 km in 30 minutes. What is the average speed of the bus?

• 20 km/min

• 30 km/min

• 40 km/min

• 50 km/min

If a car travels 400 m in 20 seconds, how fast is it going?

• 20 m/s

• 2 m/s

• 32 m/s

Tags

NGSS.MS-PS3-1

A runner races in the 100 meter dash. If her average speed is 10 m/s, what will her time be at the end of the race?

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 seconds

A car is traveling 50 mph .  It leaves Boston , Massachusetts at 5 a.m. and is traveling to Hartford, Connecticut, which  is 100  miles away.  Without traffic problems or stops, about what  time should the car arrive in Hartford?  

• 6:00 a.m. 
• 6:50 a.m.
• 7:00 a.m.
• 7:50 a.m.

Which one of the following expresses velocity?

• Kevin is moving North.

• Kevin drove Northeast at 45 mph.

• Kevin rode his bicycle 20 mph.

• Kevin will ride his bike to Northside Playground and catch a ride for the 45 mile trip.