Question
A police van moving on a highway with a speed of 30 km/h fires a bullet at a thief's car speeding away in the same direction with a speed of 192 km/h. If the nuzzle speed of the bullet is 150 m/s, with what speed does the bullet hit the thief's car?
Answer: Option A
:
A
The speed of the bullet with respect to ground will be,
vbg = vbv+vvg
=150 + 253 = 4753ms−1
Speed of thief's car is,
vtg=192 ×518 =1603ms−1
vbt = vbg -vtg
4753 -1603 = 105 ms−1
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:
A
The speed of the bullet with respect to ground will be,
vbg = vbv+vvg
=150 + 253 = 4753ms−1
Speed of thief's car is,
vtg=192 ×518 =1603ms−1
vbt = vbg -vtg
4753 -1603 = 105 ms−1
Was this answer helpful ?
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