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 seconds
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 seconds
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NOTE: Please answer the last three items, 5, 6 and 7 only
Transcribed Image Text: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?
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