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A motorist drives north for 35.0 minutes...

A motorist drives north for 35.0 minutes at 85.0 km/h and then stops for 15.0 minutes. He next continues north, travelling 130 km in 2.00 hours. What is his total displacement

A

85km

B

179.6 km

C

20km

D

140 km

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The correct Answer is:
B
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AAKASH SERIES-MOTION IN A STRAIGHT LINE -EXERCISE -II
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  2. A motor vehicle travelled the first third of a distance s at a speed o...

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  5. A person walks along a straight road from his house to a market 2.5kms...

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  6. A drunkard walking in a narrow lane takes 5 steps forward and 3 steps ...

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  8. A car moving with constant acceleration covers the distance between tw...

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  9. A car moving with a speed of 50 km/hr can be stopped by brakes after a...

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  10. A particle starts moving from rest with uniform acceleration. It trave...

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  11. The reaction time for an automobile driver is 0.7 sec. If the automobi...

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  12. If the particle is moving along a straight line given by the relation ...

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  14. For a body travelling with uniform acceleration, its final velocity is...

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  15. A bus starts from rest with a constant acceleration of 5 "m/s"^2. At t...

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  16. A man walks up a stationary escalator in 90sec. When this man stands o...

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  17. Two trains are each 50m long moving parallel towards each other at spe...

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  18. A car moving on a straight road accelerates from a speed of 4.1 m/s to...

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  19. A body starting with a velocity 'v' returns to its initial position af...

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  20. The position of a particle moving in the XY-plane at any time 't is gi...

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