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Which of the following has greater kinetic energy? - A 20-tonne truck traveling at a speed of 30 m/s -A 1.2g dust particle traveling at 150 km/s through space.
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Which of the following has greater kinetic energy?

- A 20-tonne truck traveling at a speed of 30 m/s
-A 1.2g dust particle traveling at 150 km/s through space.

User Bryant Luk
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4.6k points

1 Answer

7 votes

Answer:

dust

Step-by-step explanation:

Do Ek = (1/2) m v² where m = mass, v = velocity

make sure to convert metric ton to kg and km to m

1000kg = 1 metric ton

1000m = 1 km

User Marsha
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