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Calculating Energy

Calculating Energy. KE = ½mv 2. Potential Energy. Kinetic Energy. PE = mgh. UNITS - Joules. m (mass) – kg v (velocity) – m/s g (acceleration due to gravity) – 9.8 m/s 2 h (height) – m. What is the potential energy of an object if its mass is 20 kg and the height of its drop is 10 m?.

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Calculating Energy

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  1. Calculating Energy

  2. KE = ½mv2 Potential Energy Kinetic Energy PE = mgh UNITS - Joules • m (mass) – kg • v (velocity) – m/s • g (acceleration due to gravity) – 9.8 m/s2 • h (height) – m

  3. What is the potential energy of an object if its mass is 20 kg and the height of its drop is 10 m?

  4. What is the potential energy of an object is its mass is 600 kg and the height of its drop is 3 m?

  5. What is the kinetic energy of an object whose mass is 100 kg and speed is 100 m/s?

  6. What is the kinetic energy of an object whose mass is 20 kg and speed is 15 m/s?

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