Asked by joe
a 2200kg car accelerates from 5m/s to 17m/s in 3 seconds.
a) find the work done on the car in this time period.
b)find the average power delivered by the engine in this time interval.
a) find the work done on the car in this time period.
b)find the average power delivered by the engine in this time interval.
Answers
Answered by
GanonTEK
Work = change in Kinetic Energy
(units are Joules)
KE = (1/2)*m*v^2
m = mass in kg
v = velocity in m/s
Power = work/time
(units are Watts)
(units are Joules)
KE = (1/2)*m*v^2
m = mass in kg
v = velocity in m/s
Power = work/time
(units are Watts)
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