Unit 3 Quiz

A car travels 2,000 km from Kansas to California in 2 hours. Calculate the average speed?

• 1,000 km/minute

• 2,000 mi/hr

• 1,000 km/hr

• 500 km/hr

Tags

NGSS.MS-PS3-1

Find the average speed at 5 seconds

• 5 m/s

• 2.5 m/s

• 10 m/s

• 15 m/s

Tags

NGSS.MS-PS3-1

A cyclist travels 1,500 meters in 5 minutes. What is the average speed in meters per second?

• 5 m/s

• 6 m/s

• 4 m/s

• 3 m/s

Tags

NGSS.MS-PS3-1

What does Newton's First Law of Motion state about the motion of an object when forces are balanced?

• The object will accelerate

• the object will remain at rest or move at a constant speed

• the object will stop moving

• the object will change direction

Tags

NGSS.MS-PS2-2

A baseball is hit and goes across the field. It roll's in the grass and eventually stops. What type of forces are acting on the ball if it eventually comes to a stop?

• Balanced forces because the ball is slowing down.

• Balanced forces because no one is hitting it anymore

• unbalanced forces because friction is causing it to stop

• unbalanced forces because the ball is accelerating forward

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

mike drove one hour at 80 km an hour. the next hour he drove 500 km per hour. What was his average speed during those two hours?

• 300 km/hr

• 290 km/hr

• 200 km/hr

• 100 km/hr

A car traveling in a south west direction at a rate of 50 km/h represents which of the following?

• speed

• velocity

• acceleration

• deceleration

Tags

NGSS.MS-PS3-1

Which of these represents velocity?

• 33 m/s

• 33 miles

• 33 m/s east

• 33 m/s squared

What is the difference between speed and velocity? Pick 2

• Speed gives a direction

• speed tells a distance and a time

• Velocity takes speed and adds a direction

• Velocity is distance and a time

What does newton's first law of motion state about the motion of an object when forces are balanced?

• The object will accelerate

• the object will remain at rest or move at a constant speed

• the object will stop moving

• the object will change direction