1. The speed of the train increased from 15 mi/h to 25 mi/h in a distance of 500 ft. Calculate the average acceleration in ft/s.
1. The speed of the train increased from 15 mi/h to 25 mi/h in a distance of 500 ft. Calculate the average acceleration in ft/s.
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Transcribed Image Text:Part 2: Acceleration
1. The speed of the train increased from 15 mi/h to 25 mi/h in a distance of 500 ft. Calculate the
average acceleration in ft/s.
2. The driver of a car traveling at 30 m/s needs to quickly reduce the car's speed to 20 m/s to round a
curve in the highway. If the car's deceleration has a magnitude of 6.0 m/s, how far does it travel while
reducing the speed?
3. An airplane taking off from a landing field has a run of 500 m. If it starts from rest, moves with
constant acceleration, and makes the run in 30 s, with what velocity did it take off?
4. A bus starts from rest at a station and accelerates at a rate of 2 m/s? for 15 s. It then runs at
constant speed for 25 s and slows down decelerating at -3 m/s? until it stops at the next station. Find
the total distance traveled by the bus.
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