Distance Speed Time Acceleration

What two measurements are necessary for calculating speed?

• Mass and time

• Temperature and mass

• Mass and distance

• Distance and time

Kyrie's basketball travelled at a speed of 18m/s. It then accelerated to 24m/s in 5 seconds. What is the average acceleration rate of the basketball?

• 1.4m/2²

• 1.2m/s²

• 1.3m/s²

• 1.45m/s²

Tags

NGSS.HS-PS2-1

A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?

• 24 m/s²

• 18 m/s²

• 16 m/s²

• 16 m/s

Tags

NGSS.MS-PS2-2

If a robot chases you down at a speed of 900 m/s for a distance of 200 m. How long has the robot been chasing you?

• 0.22 s

• 4.5 s

• 180000 s

1.6 m/s²

• distance

• time

• speed

• acceleration

Tags

NGSS.MS-PS2-2

150 mph

• distance

• time

• speed

• acceleration

Tags

NGSS.MS-PS3-1

30 m/s

• distance

• time

• speed

• acceleration

Tags

NGSS.MS-PS3-1

Distance and time

• speed

• distance

• time

Tags

NGSS.MS-PS3-1

12 cm/s²

• distance

• time

• speed

• acceleration

A snake slithered across the sidewalk in between two sign posts. At the first sign post his speed was 1.2 m/s. At the second sign post his speed was 1.2 m/s. Did the snake accelerate?

• Yes

• No