1. A golfer hits a golf ball sitting at rest on a tee. The ball leaves the club at 64 m/s after a displacement of 35 mm. For how long was the club in contact with the ball? 2. A box slides down an incline with uniform acceleration. It starts from rest and attains a speed of 2.7 m/s in 3 s. Find: a. the acceleration b. the distance moved inthe first 3 s 3. A train running at 30 m/s is slowed uniformly to a stop in 44 s. Find the acceleration and the stopping distance. 4. An eagle accelerates from 15 m/s to 20 m/s over a distance of 50 s. What was its acceleration? 5. A 100 m long train accelerate s uniformly from rest. If the front of the train passes a railway worker 150 m down the track at a speed of 25 m/s, what will be the speed of the last car as it passes the worker? 6. A dragster slows down from 28 m/s [N] to 13 m/s [N] in a time of 12 s using a parachute and brakes. Calculate the displacement during this acceleration. 7, A roller coaster car starts down a hill with an initial- speed of 3.0 m/s. The hill is 90.0 m long. If the car has an acceleration of 2.55 m/s² on the hill, how long does it take to reach the bottom?

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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1. A golfer hits a golf ball sitting at rest on a tee. The ball leaves the club at 64 m/s after a
displacement of 35 mm. For how long was the club in contact with the ball?
2. A box slides down an incline with uniform acceleration. It starts from rest and attains a speed
of 2.7 m/s in 3 s.
Find:
a.
the acceleration
b.
the distance moved in the first 3 s
3. A train running at 30 m/s is slowed uniformly to a stop in 44 s. Find the acceleration and the
stopping distance.
4. An eagle accelerates from 15 m/s to 20 m/s over a distance of 50 s. What was its acceleration?
5. A 100 m long train accelerate s uniformly from rest. If the front of the train passes a railway
worker 150 m down the track at a speed of 25 m/s, what will be the speed of the last car as it
passes the worker?
6. A dragster slows down from 28 m/s [N] to 13 m/s [N] in a time of 12 s using a parachute and
brakes. Calculate the displacement during this acceleration.
7, A roller coaster car starts down a hill with an initial- speed of 3.0 m/s. The hill is 90.0 m long.
If the car has an acceleration of 2.55 m/s² on the hill, how long does it take to reach the
bottom?
100%
Transcribed Image Text:1. A golfer hits a golf ball sitting at rest on a tee. The ball leaves the club at 64 m/s after a displacement of 35 mm. For how long was the club in contact with the ball? 2. A box slides down an incline with uniform acceleration. It starts from rest and attains a speed of 2.7 m/s in 3 s. Find: a. the acceleration b. the distance moved in the first 3 s 3. A train running at 30 m/s is slowed uniformly to a stop in 44 s. Find the acceleration and the stopping distance. 4. An eagle accelerates from 15 m/s to 20 m/s over a distance of 50 s. What was its acceleration? 5. A 100 m long train accelerate s uniformly from rest. If the front of the train passes a railway worker 150 m down the track at a speed of 25 m/s, what will be the speed of the last car as it passes the worker? 6. A dragster slows down from 28 m/s [N] to 13 m/s [N] in a time of 12 s using a parachute and brakes. Calculate the displacement during this acceleration. 7, A roller coaster car starts down a hill with an initial- speed of 3.0 m/s. The hill is 90.0 m long. If the car has an acceleration of 2.55 m/s² on the hill, how long does it take to reach the bottom? 100%
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