Question

1.Calculate the total displacement from A to D

2.is the motion uniform? why or why not ?

3.Calculate deceleration from B to C.

4.calculate acceleration from A to B and declaration from B to D

5. What is the velocity at c? is the velocity at C increasing or decreasing

6. Write the time periods during which acceleration is uniform.
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Answer 1

Answer:

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Explanation:

1. displacement=total part=75m

2. this uniform motion because it increases with certain time and decrease with certain time

3. deceleration = 20/4 = 5 m/s

4. acceleration = constant means 0

deceleration = constant means 0

5.velocity = 20 m/s (decreasing)

6.ummm I didn't understand properly sorry