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Kinetic Energy Tutorial and Problems

Tutorial

K.E. = ½ · m · v²
m = mass (kg)
v = velocity (m/s)
K.E. energy unit is the Joule (J). One Joule is about the energy needed to lift a small apple one meter.

For problems with calculations use UDRSS: ◻Units ◻Data ◻Relationship ◻Substitution ◻Solution

What is the kinetic energy of a car with a mass of 500 kg and a speed of 5 m/s?
What is the kinetic energy of a truck with a mass of 800 kg and a speed of 10 m/s?
What is the kinetic energy of a skateboarder with a mass of 70 kg and a speed of 5 m/s?
What is the kinetic energy of a child on a swing with a mass of 30 kg and a speed of 3 m/s?
What is the kinetic energy of a skier with a mass of 80 kg and a speed of 15 m/s?
What is the mass of an object with a speed of 30 m/s and a kinetic energy of 400 J?