Unit 1 Test Review

A bike accelerates uniformly from rest to a speed of 7.10 m/s over a distance of 35.4 m. Determine the acceleration of the bike. What are you LOOKING FOR?

• d=?

• a=?

• t=?

• Vi=?

A bike accelerates uniformly from rest to a speed of 7.10 m/s over a distance of 35.4 m. Determine the acceleration of the bike. List the GIVENS.

• Vi=0m/s

• Vf=7.10m/s

• a=-9.8m/s/s

• d=35.4m

A bike accelerates uniformly from rest to a speed of 7.10 m/s over a distance of 35.4 m. Determine the acceleration of the bike. What FORMULA will you use?

• 2a

• 4

• 3

• 1

A bike accelerates uniformly from rest to a speed of 7.10 m/s over a distance of 35.4 m. Determine the acceleration of the bike. What is the answer?

• -9.8m/s/s

• 0.1m/s/s

• 0.71m/s/s

• 1.42m/s/s

Answer explanation

0.71m/s/s

Two skaters push off of each other as shown above. From the perspective of the boy, how fast is the girl moving?

• 1m/s

• 3m/s

• 4m/s

• 7m/s

What distance did the object travel at 6 seconds?

• 50m

• 40m

• 30m

• 20m

• 10m

Which object has the greatest velocity?

• orange

• green

• red

• blue

What is the velocity of the object represented by the green line at 2 hours?

• 40km/hr

• 30km/hr

• 20km/hr

• 10km/hr

Four Cars line up on a drag strip. Consider moving toward the finish line the positive direction and toward the starting line the negative direction.

Car 1 speeds down the track at 30m/s

Car 2 speeds down the track at 40m/s

Car 3 speeds down the track at 25m/s

Car 4 Starts from the finish line and starts driving backward at 20m/s to the starting line

With what Velocity does Car 1 view Car 2?

• 10m/s

• 40m/s

• 25m/s

• 30m/s

Four Cars line up on a drag strip. Consider moving toward the finish line the positive direction and toward the starting line the negative direction.

Car 1 speeds down the track at 30m/s

Car 2 speeds down the track at 40m/s

Car 3 speeds down the track at 25m/s

Car 4 Starts from the finish line and starts driving backward at 20m/s to the starting line

With what Velocity does Car 1 view Car 3?

• 25m/s

• 30m/s

• -5m/s

• -30m/s