Question

bus starts from a junction and covered a distance 28 km in 40 s and came back to the same junction. Calculate it’s Displacement.​

Answer 1

Explanation:

48 kmh

−1

Total distance covered by car = 60 km

And, total time taken in journey t=t

1

+t

2

t=

v

1

s

1

+

v

2

s

2

=

60

30

+

40

30

=

4

5

h

Therefore, Average Speed=

Total Time

Total Distance

=

4

5

h

60km

=48 km/h

Answer 2

Explanation:

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