How much total energy does this truck put out?
To do work, this truck uses energy stored in chemical fuel
and an electrical battery.
50 J
250 3
400 3
08003
Input
energy
2J
Kinetic
energy
400 J
Heat
250 J
Friction
150 J

J equals 4.65 hope I helped(:

Explanation:

2j+j+j−3=17

Simplify both sides of the equation.2j+j+j−3=17

Simplify: 2j+j+j+−3=17(2j+j+j)+(−3)=174j+−3=174j−3=17

Add 3 to both sides.4j−3+3=17+34j=20

Divide both sides by 4.‌4j/4 ‌= ‌20/4‌  j = 5