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What is Kinetic Energy?

What is Kinetic Energy?. Kinetic Energy is “moving energy”. Kinetic Energy Calculations. Kinetic energy is calculated with the following equation: KE = mv² 2. KE= Kinetic Energy. m = mass in kilograms v = velocity in m/s. Let’s practice … .

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What is Kinetic Energy?

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  1. What is Kinetic Energy? • Kinetic Energy is “moving energy”

  2. Kinetic Energy Calculations • Kinetic energy is calculated with the following equation: • KE = mv² 2

  3. KE= Kinetic Energy • m = mass in kilograms • v = velocity in m/s

  4. Let’s practice … • Kyle is riding his bike at the gravel pits. He has a mass of 100kg with his bike and is travelling at a velocity of 2m/s as he hits a jump. • What is his kinetic energy? • KE = 100kg  22 2 = 200 Joules

  5. Let’s practice … • On Mrs. Carrasco’s 50th birthday, she weighed in at 300 kg. As she was finishing her cake she stumbled and rolled down the hill at 1m/s. • What is her kinetic energy as she rolls? • KE = 300kg  12 2 = 150 Joules

  6. Let’s practice • A mountain biker descends the slope at 10m/s. He and his bike together weigh in at 120kg. • What is his kinetic energy as he descends? • KE = 120kg  102 2 = 6,000 Joules

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