Question

When is the magnitude of displacement equal to distance? (2)

b) Convert 18 km/h to m/s. (2)

c) A body shows change in velocity of 15 m/s in 30 s.

Find the acceleration of the body. (2)

d) Does the value of acceleration due to gravity remains the same

at all the places of earth?Explain your answer. (2)

e) Is it possible to have a moving body with zero displacement, but covering a

large distance?​

Answer 1

Answer:

answer:d

Explanation:

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Answer 2

Answer:

a. When an object moves in a straight line in the fixed direction without coming back, it’s displacement and distance magnitude will always be equal

b. 5 metres per second

Explanation:

b. 18 km/h=5 m/s

To convert km/h to m/s we need to first convert the units.

So 1 km/h=

60.60

1000

upon solving this we get 1 km/h=

18

5

m/s

now multiply the km/h into

18

5

you will get the answer as 5 m/s