Umm 20 kg?
20*9.81=196.2N
The 40 kg boy weighs twice as much as the 20 kg boy because weight is directly proportional to mass.
-- "20 kg" is the child's mass, not her weight.-- The car's mass doesn't matter.The child's momentum is (M V) = (20) (10) = 200 kilogram-meters per second.
The weight of a three year old child is typically measured in pounds or kilograms.
the average height is 8 foot 10 inch and weight is 2 kg
- about two pounds - 20 mice - a litre (about two pints) of water
No. Kilogram is a unit of mass, not of weight.
They both weight a kilogram. Lead has a higher density.
Think about what you just asked and feel ashamed. A kilogram is a measurement of weight. If you have two items of both exactly 1 kilogram, they weight the same!
Kilogram is a measurement of weight not speed.
A kilogram is a unit of weight.
4/20 = 1/5