Question

. A truck moves up a bill of incline 1 in 50 with a
speed of 20 KMPH. If the resistance to the motion
of the truck is 4% of its weight, the speed of the
truck while moving down hill utilising the same
power is,
1) 20 KMPH
2) 40 KMPH
3) 60 KMPH
4) 80 KMPH​

Answer 1

Answer:

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Explanation:

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