Answer:
some kind of chemical of which i do not know
Explanation:
It is correct! good job :)
As we use the Kinetic energy and the equation is 1/2mv^2, changing its mass will change its speed and its energy. So more mass, more speed more energy. also the gravitational potential energy; mass x gravity x height; more mass and more height more speed as it go down to the slope! Hope it helps!
Answer:
I don't understand please interpret
Answer:
false : In distance time graph,time is shown on the x -axis