phantomoftheopera357 phantomoftheopera357

10-12-2019
Physics

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An object has 600J of kinetic energy from its motion and a speed of 10m/s. What is it's mass?

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gcantiga44 gcantiga44

10-12-2019

Answer:

The mass is 12 kg

Explanation:

KE = [tex]\frac{1}{2}[/tex] mv²

Substitute:

600 = [tex]\frac{1}{2}[/tex] m(10)²

600 = [tex]\frac{1}{2}[/tex] m 100

600 = 50m

m = [tex]\frac{600}{50}[/tex]

m = 12

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