a 2100 kg car starts from rest and accelerates at a rate of 2.6 m/s for 4 sec. assume that the force acting to accelerate the car is acting in the same direction as its motion. how much work has the car done?
m=2100 kg w=fd
v1=0 f=ma
t=4 sec d=t+1/2at(squared)
a=2.6 m/s2
1 answer
123456