What is the mass of an object that has 324 J of energy and is moving at a speed of 9 m/s?
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Explanation:
An object has kinetic energy of 324 J. If its speed is 9m,s, what is its mass? ... A truck moving at 15m//s has KE of 4.2xx10^5 J.
Answer:
Remember that the formula to calculate the kinetick energy is half of the mass mutiplied by the squared velocity:
☯️ Ke = 5mv²
So in order to solve this problem we will have to solve the equation for mass:
M =
m =
m = 8kg
So by clearing the equation you now know that the answer is that there are 8 kg in an object that is moving at 9m/s and has a kinetic energy of 324J.
Explanation:
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