What work is to be done to increase the velocity of a car from 18km/hr to 90km/hr if the mass of car is 2000kg
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here.
m=2000kg
u=18
v=90
therefore .....
we know that work is = to change in kinetic energy ..
now
w=vv-uu/m
w=8100-324/2000
w=1312.2 J
m=2000kg
u=18
v=90
therefore .....
we know that work is = to change in kinetic energy ..
now
w=vv-uu/m
w=8100-324/2000
w=1312.2 J
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