Mass of object/source
Gravity
Fg=mg
The naturally occurring radioisotope which is used as the fuel for a nuclear reactor is the Uranium-235. It has been said that one kilogram of Uranium-235 can theoretically male about 20 terajoules of energy when used as a fuel for power plants.
Explanation:
Distance is 250m
Time is 50sec
Formular
Speed= distance/time
Speed=250/50
Speed is 5m/s
If correct mark as brainliest
Geiger counter measures radiation.
Voltage is increased, i think.