Asked by Sharon kay
An automobile traveling at 25km/hour has kinetic energy equal to 1x10 to the fourth power J. What is the mass of the car?
K.E. = (1/2)M V^2 = 10^4 J
Convert the speed to m/s and them use that V to solve for the mass of the car, in kg.
V = 25000 m/hr x (1 hr/3600 s) = _____ m/s
M = 2x(KE)/V^2 = ___ kg
K.E. = (1/2)M V^2 = 10^4 J
Convert the speed to m/s and them use that V to solve for the mass of the car, in kg.
V = 25000 m/hr x (1 hr/3600 s) = _____ m/s
M = 2x(KE)/V^2 = ___ kg
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