The rock because it’s ratio is 4:3 and the ratio of the wood is 3:2
Simply, apply the formula
and insert the values of m = mass, v = velocity and E = Energy.
The result will be
, m = 1 kg
A vacuum tube consists of cathode (also called as filament), anode (also called as plate), and electrode (also called as grid). Cathode is an electron emitter that emits the free electrons whereas anode is an electron collector that collects the free electrons.
I hope this helps.
It bounces off one another and goes back in forth
Explanation:
Work cannot be increased by using a machine of some kind.