it depends upon what state they are in like in motion or res
Answer:
The new resistance comes out to be = 4 times of original resistance .
1 hour for the train to travel 17,000 feet
Answer:

Explanation:
Dimensions of mattress 100 cm by 194 cm by 14 cm
= Mass of mattress = 4 kg
= Density of water = 
g = Acceleration due to gravity = 
Volume of mattress

Weight of water displaced is equal to the buoyant force
Mass of water

Mass of person would be

Weight of the person would be

The air mattress could hold a person that weighs up to
.
Answer:
kenitec energy
Explanation:
because kinetic and mass have same