Question

i) A body starting from rest moves with a uniform acceleration of 5 m/s2 for 10 s and then with a uniform retardation of 2m/s2 until it comes to rest. Draw a velocity – time graph and find the total distance travelled from the graph. ii)Under what conditions an object can have same average speed and average velocity. Give an example to justify your answer. iii) Uniform circular motion is an accelerated motion. Comment on the statement with a suitable example.

Answer 1

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Explanation:

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Answer 2

Answer:

. An object starting from rest is moving with uniform

acceleration of 5 m/s2. Draw its velocity-time graph.