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What is the kinetic energy of a particle weighing 175 lb and traveling at 60 mph?
Wiki User
∙ 12y ago
Conversions needed.
175 lbs (1 kg/2.2 lbs) = 79.5 kg
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60 mph (1609 meters/1 mi)(1 hr/3600 s) = 26.8 meter per second
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Kinetic energy = 1/2(mass kg)(velocity m/s)2
KE = 1/2(79.5 Kg)(26.8 m/s)2
= 2.9 X 104 Joules
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Wiki User
∙ 12y ago
To calculate kinetic energy, first convert pounds to kilograms (1 lb = 0.453592 kg) and miles per hour to meters per second (1 mph ≈ 0.44704 m/s). Then, use the formula KE = 0.5 * mass * velocity^2 to find the kinetic energy. Substituting the mass and velocity values, you can calculate the kinetic energy in joules.
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