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Which is the formula for calculating kinetic energy?
* energy = 1⁄2 × mass × speed2
kinetic energy = mass × speed2
kinetic energy = mass × speed
Practice Calculating the Kinetic Energy
What is the kinetic energy of a 5 kg object travelling at 10m/s?
2.5x100= 250
What is the kinetic energy of a 25 kg object travelling at 15 m/s?
12.5 x 225 = 2812.5
What is the kinetic energy of a 500 kg object travelling at 50 m/s?
250 x 2500 = 625000
ANSWERS
Which is the formula for calculating kinetic energy?
kinetic energy = 1⁄2 × mass × speed2
kinetic energy = mass × speed2
kinetic energy = mass × speed
Practice Calculating the Kinetic Energy
What is the kinetic energy of a 5 kg object travelling at 10m/s?
KE = ½ x 5kg x 102
KE = 250 J
What is the kinetic energy of a 25 kg object travelling at 15 m/s?
KE = ½ x 25kg x 152
KE = 2812.5 J
What is the kinetic energy of a 500 kg object travelling at 50 m/s?
KE = ½ x 500kg x 502
KE = 625000 J
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