Question

A car moves with a speed of 30 km/hr. What will be the speed of the same car measured by a speed sensor which is placed in a truck which is moving with a speed of 20 km/hr in the same direction?

a.

30 km/hr

b.

50 km/hr

c.

10 km/hr

d.

0 km/hr

Posted under Mechatronics

Answer: (c).10 km/hr

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Q. A car moves with a speed of 30 km/hr. What will be the speed of the same car measured by a speed sensor which is placed in a truck which is moving with a speed of 20 km/hr in the...

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