Answer:
A. Energy is lost when machines don't work right.
Explanation:
Energy cannot be created nor destroyed, according to the Law of Conservation of Energy.
Answer:
A) .27 A
Explanation:
v = ir
i = v/r
equivalent r = 45 * 90 / (45+90) = 30 ohms ( for the two r in parallel)
i = 8v / 30 ohm = 267 mAmps
The heat in the air ballon from the flame will create moisture in the ballon and make it rise
Answer:
Explanation:
Mass of the Jupiter is 319 times more than that of the earth but its acceleration due to gravity is only 2.5 times more than the earth because the radius of the Jupiter is about 11 times greater than the earth.