Question

16) A particle starts from rest and moves with a uniform acceleration of
5m/s2 for 10s and then it moves with a constant velocity for 4s. Later it
slows down and comes to rest in 5s. Draw the velocity graph for the motion
of the body and answer the following questions:
a. What is the maximum velocity attained by the body?
b. What is the distance travelled during this period of acceleration?
c. What is distance travelled when the body was moving with constant
velocity?
d. What is the retardation of the body while slowing down?
e. What is the distance travelled by retarding?​

Answer 1

Answer:

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Explanation:

. Time taken =10 min = 10/60 hr

Speed of the graph =15 km/hr

Distance =Speed X time taken =15 x 10/60= 2.5 Km

b. Time taken =30 min = 30/60 hr

Speed of the graph =15 km/hr

Distance =Speed X time taken =15 x 30/60= 7.5 Km

c) 15 km/hr