Question

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Answer 1

Answer:

4) car is moving in a uniform acceleration of

0.5m/s^2

5) a) uniform acceleration is represented by OA

b) uniform velocity is represented by AB

c) uniform retardation is represented by BC

d) acceleration of the body is 1.5 m/s^2

e) retardation of the body is 1 m/s^2

f) distance traveled from A to B is 36m

Explanation:

4) acceleration of the car =

final velocity -initial velocity / total time taken

= 10-7.5/20-15

= 2.5/5

= 0.5m/s^2

5) d) acceleration of the body =

= final velocity- initial velocity/ time taken

= 6/4

= 1.5 m/^2

e) retardation of the body

= 6/6

= 1m/s^2

f) distance traveled from A to B = speed*time

= 6*6

= 36m