Acceleration with speed vs time graphs

A sheepdog starts from rest and accelerates uniformly to a speed of 5.0 m/s in 6 seconds. What is the magnitude of the sheepdog's acceleration?

• .80 m/s/s

• 32 m/s^2

• 1 m/s^2

• 1.01543 m/s/s

Tags

NGSS.HS-PS2-1

Flash went from 100 m/s to 180 m/s in 4 seconds. What was her acceleration?

• 25.25 m/s/s

• 15 m/s^2

• 20 m/s/s

• 1430 m/s^2

Tags

NGSS.HS-PS2-1

Shelvin's Dodge Charger traveled 300 meters in 20 seconds. What was the magnitude of his Charger's average velocity of the car in that 20 second time period?

• 111.467 m/s

• 30 m/s

• 20 m/s

• 15 m/s

The velocity of Hayling's dog, Charles reaches 6 m/s from rest. Charles moves to the right in 4 seconds to reach that top velocity. What is the acceleration of Hayling's dog?

• 1 m/s/s to the left

• 1.5 m/s^2 to the right

• 13 m/s^2 to the right

• 22.4683 m/s/s to the left

Tags

NGSS.HS-PS2-1

The speed of little Justin, Jr's red wagon is 2 meters per second. Justin Jr. begins running faster pulling the wagon up to a speed of 4 meters per second in one second. What is the magnitude of the acceleration of Justin Jr's little red wagon in the period of time given?

• 0.5 m/s/s

• 3 m/s^2

• 1 m/s^2

• 2 m/s/s

Tags

NGSS.HS-PS2-1

A lab experiment was performed and a student got the following speeds at the associated times listed below:

Time (s) / Speed (m/s)

2.0 / 4.0

4.0 / 2.0

6.0 / 0.0

What was the magnitude of the acceleration of the car?

• -4 m/s^2

• -1 m/s/s

• 4 m/s^2

• 1 m/s/s

Tags

NGSS.HS-PS2-1

Which of the following scenarios describes a car which is NOT accelerating?

• A car begins to move shortly after a stop light turns green.

• A car coming to a stop because a dog runs into the road.

• A car turning in a curve as they maintain a constant speed.

• A car traveling in a straight line with cruise control set at 50 MPH.

Tags

NGSS.HS-PS2-1

• 8.3 m/s/s Right

• -8.3 m/s/s Left

• 8.3 m/s Left

• -8.3 m/s Right

Tags

NGSS.HS-PS2-1

Which d(x)-t graph matches this v-t graph of an object moving away from the origin?

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Which d (x)-t graph matches the v-t graph shown?

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