Acceleration, speed, time, and distance

a train runs at a speed of 70 m/s,. If the train Traves for 30 s. How much distance did the train cover?

• 2100 m
• 0.233 m
• 2.33 m
• 300m

If you travel for 5s and you move 80m what is your speed?

• 0.0625m/s

• 16m/s

• 400m/s

• 12m/s

a puppy runs across a park at a speed of 15 m/s. If the park is 75m long how long did it take im to cross the park

• 5 s

• 60s

• 1125s

• 0.2s

A drag racer accelerated from rest ( 0 m/s ) to 195 m/s in 6.5 s.  What was the acceleration?

• 10 m/s
• 30 m/s²
• -3 m/s²
• 26 m/s

Tags

NGSS.HS-PS2-1

If a train traveling at 30 m/s brakes to a stop in 60s, its acceleration is _________.

• 30 m/s²

• 0.5 m/s²

• -0.5 m/s²

• -30 m/s²

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.HS-PS2-1

A car moving at 4.5 m/s accelerates at 2.5 m/s². After 7 s, how fast will it be moving?

• 22 m/s

• 18.3 m/s

• 4.9 m/s

• 7.6 m/s

Tags

NGSS.HS-PS2-1

A roller coasters accelerates from an initial velocity to a final velocity of 70 m/s over 4 seconds. If the car acclerates at a rate of 16m/s What was the orginal velocity of the roller coaster

• 50m/s

• 134m/s

• 71m/s

• 6 m/s

Mr. Newnam is running he has an accleration of -5m/s² This means that he is

• getting faster

• slowing down

• not changing his speed

• not moving

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. This is an example of...

• positive acceleration

• negative acceleration

• no acceleration