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Two identical dump trucks are at a work site. One is returning with a full load, and the other is empty. Both are traveling at 35 mph. Which has more kinetic energy?

Sagot :

wfoster1406

Answer:

The one with the full load.

Explanation: We can prove this by doing V^2 X M = KE

where V= velocity M= mass and KE= kinetic energy.

is both are traveling at the same speed (let's say 2kmph) and one has a mass of 50 kg with the other having a mass of 100kg.

(plug in the values) .   2^2 X 50 = KE and 2^2 X 100= KE

(simplify) 200=KE and 400=KE

This proves that a dump truck with a larger load (if traveling at the same speed) will always contain more energy than a dump truck with a smaller load.

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