A
1. Give one example of each of the following:
a) acceleration in the direction of motion
b) acceleration against the direction of motion
A
answer.
2. Can an object experience acceleration if it is moving with a constant speed? Justify your
3. State which of the following situations are possible:
a) A body moving with constant acceleration but with zero velocity.
b) A body moving horizontally with acceleration in a vertical direction.
c). A body moving with a constant speed but moving in an accelerated motion.
4. A bus decreases its speed from 80 km/h to 60 km/h in 5 s. Find the deceleration
produced
5. Calculate the acceleration if an engine starts from rest and moves with uniform
acceleration, attaining a speed of 40 km/h in 10 minutes.
6. In how much time will a van produce an acceleration of 2 m/s if it starts from rest and
reaches a speed of 6 m/s?
7. Find the initial velocity of a car that is stopped in 10 seconds by applying the brakes.
The retardation due to the brakes is 2.5 m/s.
8. A body is moving with a speed of 20 m/s. When a certain force is applied, an
acceleration of 4 m/s" is produced. After how much time will its velocity become
80 ms?
Answers
Answered by
1
Answer:
1
a Car is moving in a straight line
b Car applies brake
Answered by
2
Answer:
give me thanks please i also give you
Explanation:
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