If the brakes of a car decelerate it at 7 m/s². C. What is the time required to reduce the velocity of the car from 40 m/s to 5 m/s? d. How many meters will the car travel during this deceleration? oled by a train

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ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
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Chapter2: Kinematics
Section: Chapter Questions
Problem 30CQ: Consider the velocity vs. time graph of a person in an elevator shown in Figure 2.58. Suppose the...
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NOTE: Please answer the last item, no. 7 only
Problem set in General Physics 1
Topic: Motion in One Dimension
1. A train travels 650 km in 12 h. What is the average speed in km/h and m/s?
2. A truck's speed increases uniformly from 10 m/s to 30 m/s in 20 seconds. Calculate
d. Average speed
e. Acceleration
f. Distance covered during this period
3.
A bus starting from rest attained a speed of 40 m/s after 10 seconds. Calculate acceleration and distance
travel.
4. An automobile initially at rest uniformly accelerates at a rate of 5 m/s² and covers a distance of 80 m.
c. What is the final velocity?
d. For how many seconds it was accelerating?
5.
A car that is moving at 40 m/s uniformly decreases its speed at the rate of 5 m/s². Calculate
d. Speed after 6 seconds
e. Average speed
f.
Distance traveled after 6 seconds
6. An object with an initial velocity of 20 m/s is accelerated at a rate of 8 m/s² for 5 seconds
c. What is the total displacement?
d. What is the displacement during the 5th second?
7. If the brakes of a car decelerate it at 7 m/s².
c. What is the time required to reduce the velocity of the car from 40 m/s to 5 m/s?
d. How many meters will the car travel during this deceleration?
Intongo traveled by a train
Transcribed Image Text:Problem set in General Physics 1 Topic: Motion in One Dimension 1. A train travels 650 km in 12 h. What is the average speed in km/h and m/s? 2. A truck's speed increases uniformly from 10 m/s to 30 m/s in 20 seconds. Calculate d. Average speed e. Acceleration f. Distance covered during this period 3. A bus starting from rest attained a speed of 40 m/s after 10 seconds. Calculate acceleration and distance travel. 4. An automobile initially at rest uniformly accelerates at a rate of 5 m/s² and covers a distance of 80 m. c. What is the final velocity? d. For how many seconds it was accelerating? 5. A car that is moving at 40 m/s uniformly decreases its speed at the rate of 5 m/s². Calculate d. Speed after 6 seconds e. Average speed f. Distance traveled after 6 seconds 6. An object with an initial velocity of 20 m/s is accelerated at a rate of 8 m/s² for 5 seconds c. What is the total displacement? d. What is the displacement during the 5th second? 7. If the brakes of a car decelerate it at 7 m/s². c. What is the time required to reduce the velocity of the car from 40 m/s to 5 m/s? d. How many meters will the car travel during this deceleration? Intongo traveled by a train
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