car covers 90km in one and a half hour find its velocity and displacement
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Answered by
3
distance = 90km= 90×1000 = 90000m
time = 60min+ 30min=90min= 90×60 = 5400sec
displacement is same as 90000m as there is no change in direction according to the question .
now velocity = displacement / time
= 90000/5400sec= 100/6 = 50/3 m/s
time = 60min+ 30min=90min= 90×60 = 5400sec
displacement is same as 90000m as there is no change in direction according to the question .
now velocity = displacement / time
= 90000/5400sec= 100/6 = 50/3 m/s
cherry107:
thanks
very thankful
Answered by
0
Heya.
Displacement of the car is the distance travelled by it = 90km
(Only if it travels in a straight path)
Time taken = 1 1/2 hour = 3/2hours.
Velocity= displacement/time
= 90/(3/2)
= 90×2/3
= 60kmph
Displacement of the car is the distance travelled by it = 90km
(Only if it travels in a straight path)
Time taken = 1 1/2 hour = 3/2hours.
Velocity= displacement/time
= 90/(3/2)
= 90×2/3
= 60kmph
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