Homework Help: SCIENCE

Posted by SWAPAN on Monday, July 16, 2012 at 3:38am.

A police man is driving a car with a speed of 30km/h,and firing a bullet having a speed of 150m/s towards another car which is moving ahead with a speed of 192km/f.At what speed will the bullet hit the car?

SCIENCE - Elena, Monday, July 16, 2012 at 5:43am
v1=30km/h =30000/3600 =8.33 m/s,
v2=150m/s,
v3= 192km/h =192000/3600=53.33 m/s.
v=?
v= v1+v2 =8.33+150m/s=158.33 m/s.

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