What is the linear momentum of a car of mass 1500 kg moving with velocity of 72 Km/h on a straight highway?
A
30000 kg m/s
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B
20000 kg m/s
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C
10000 kg m/s
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D
Zero
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Solution
The correct option is A 30000 kg m/s We have
p = mv
Given, m = 1500 kg, v = 72 km/h = 20 m/s
Velocity in m/s = (V in km/h) ×518
Therefore p=1500*20 = 30,000 kg m/s