At what speed does a 1000 kg compact car have the same kinetic energy as a...

PracticalTrigHelp101 · Mar 18, 2009

(1/2)mv^2 = (1/2)mv^2
(1/2)(1000 kg)v^2 = (1/2)(16,000 kg)(6.11)^2
v = 24.44 m/s

bfl1806 · Mar 18, 2009

...1.6×104 kg truck going 22 km/hr? At what speed does a 1000 kg compact car have the same kinetic energy as a 1.6×104 kg truck going 22 km/hr?

PracticalTrigHelp101 · Mar 18, 2009

(1/2)mv^2 = (1/2)mv^2
(1/2)(1000 kg)v^2 = (1/2)(16,000 kg)(6.11)^2
v = 24.44 m/s