Excess baggage costs are set by the individual airlines. Best to check.
Size
No, 20kg of lead and 20kg of feathers would have the same mass in vacuum since both are 20kg. Gravity does not affect mass.
Black and wigth
20kg is equal to 20,000g.
the wigth of Jamaica is 22-51 miles.
On Earth, 20kg is 196 newtons or 44.1 lbs.
10-20kg is equivalent to 22-44 pounds.
Yes, pull on it for 10 seconds everyday.
The weight of a 20kg box on Earth is approximately 196.2 Newtons. This is calculated by multiplying the mass (20kg) by the acceleration due to gravity on Earth (9.81 m/s^2).
3.1428st
20kg m3
20kg