1D Kinematics

A motorboat accelerates uniformly from a velocity of 6.5 m/s to a velocity of 1.5 m/s. If the acceleration was -2.7 m/s², how far did it travel during the acceleration?

• 4.4 m

• 5.4 m

• 6.4 m

• 7.4 m

A bus slows down uniformly from 21 m/s to 0 m/s in 21 s. How far does it travel before stopping?

• 110.25 m

• 220.5 m

• 330.75 m

• 441 m

A car travelling at 7.0 m/s accelerates at 0.8 m/s² for an interval of 2.0 s. Find v_f.

• 6.6 m/s

• 7.6 m/s

• 8.6 m/s

• 9.6 m/s

A boy sledding down a hill accelerates at 1.4 m/s². If he started from rest, in what distance would he reach a speed of 7.0 m/s?

• 12.5 m

• 15 m

• 17.5 m

• 20 m

A sailboat starts from rest and accelerates at a rate of 0.21 m/s² over a distance of 280 meters. Find the time it takes for the boat to travel this distance.

• 50.6 s

• 51.6 s

• 52.6 s

• 53.6 s

A car accelerates uniformly from rest to a speed of 18 m/s in 12 s. Find the distance the car travels during this time.

• 98 m

• 108 m

• 118 m

• 128 m

In week 2 of the 2019-2020 NFL season, Julio Jones scored a game winning touchdown against the Eagles. He hit his highest recorded speed, clocking in at 20.7 mph (9.25 m/s). How much room would Julio need to reach this top speed when starting from rest? Assume Julio can accelerate at a rate of 2.4 m/s².

• 17.8 m

• 19.8 m

• 21.8 m

• 23.8 m