Physics
Lefew23
2021-03-20 18:59:42
A 75-kilogram bicyclist coasts down a hill at a constant speed of 12 meters per second. What is the kinetic energy of the bicyclist? (1) 4.5 × 10^2 J (3) 5.4 × 10^3 J (2) 9.0 × 10^2 J (4) 1.1 × 10^4 J
ANSWERS
Alexita
2021-03-20 20:16:42

Kinetic E=1/2mv^2 KE = 1/2 * 75 * 12^2 = 5400J = 5.4*10^3 J

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