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What is The kinetic energy of a 25-gram bullet traveling at 500 ms?
Wiki User
∙ 15y ago
Dear Wiki Questioner,
To calculate the kinetic energy of an object, we use the following equation:
KE=(1/2) m v^2
Where KE is the object's kinetic energy in Joules
m is the object's mass in kilograms
and v is the object's velocity in meters per second
So for your question, we first convert the mass of the bullet into kilograms so we can use it in our equation:
25g (1 kg/ 1000 g) = .025 kg
The mass of the bullet is .025 kilograms!
Now we plug the numbers into the equation and solve:
KE = (1/2) .025 kg (500 m/s)^2 = 3125 kg m^2/s^2 = 3125 J
So the kinetic energy of your bullet is 3125 Joules
Wiki User
∙ 15y ago
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