equations of motion

An airplane accelerates down a runway at 3.20 m/s² for 32.8 s until is finally lifts off the ground. Determine the distance traveled before takeoff.

• 1720 m

• 1000 m

• 32 m

• 234 m

A car starts from rest and accelerates uniformly over a time of 5.21 seconds for a distance of 110 m. Determine the acceleration of the car.

• 9 m/s²

• 8.10 m/s²

• 6.3m/s²

• 3,3 m/s²

Upton Chuck is riding the Giant Drop at Great America. If Upton free falls for 2.60 seconds, what will be his final velocity?

• 20 m/s

• 22 m/s

• 15 m/s

• 25.5 m/s

A race car accelerates uniformly from 18.5 m/s to 46.1 m/s in 2.47 seconds. Determine the acceleration of the car ?

• 12 m/s²

• 11.2 m/s²

• 10 m/s²

• 5 m/s²

A feather is dropped on the moon from a height of 1.40 meters. The acceleration of gravity on the moon is 1.67 m/s². Determine the time for the feather to fall to the surface of the moon.

• 1.29 s

• 3 s

• 4.5 s

• 0.5 s

Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled is accelerated to a speed of 444 m/s in 1.83 seconds, then what is the acceleration ?

• 200 m/s²

• 150 m/s²

• 243 m/s²

• 21m/s²

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.

• 0.712 m/s²

• 0.5 m/s²

• 1.2 m/s²

• 3 m/s²

An engineer is designing the runway for an airport. Of the planes that will use the airport, the lowest acceleration rate is likely to be 3 m/s². The takeoff speed for this plane will be 65 m/s. Assuming this minimum acceleration, what is the minimum allowed length for the runway?

• 500 m

• 704 m

• 113 m

• 50 m

A car traveling at 22.4 m/s skids to a stop in 2.55 s. Determine the skidding distance of the car (assume uniform acceleration).

• 15 m

• 200 m

• 45 m

• 28.6 m

A bullet leaves a rifle with a muzzle velocity of 521 m/s. While accelerating through the barrel of the rifle, the bullet moves a distance of 0.840 m. Determine the acceleration of the bullet (assume a uniform acceleration).

• 1.62*10⁵ m/s²

• 1000 m/s²

• 0.62*10⁵ m/s²

• 3.62*10⁵ m/s²