density Flashcards
1
Q
When does an object float on water
A
When the density is lower than water’s density
density<water density
2
Q
What is the density of water
A
1000kgm^-3
3
Q
Define atmosphere
A
Pressure of weight of the air in atom, pressing down on a square metre on the ground.
4
Q
How many pascals is 1 atm
A
101.325 Kpa = 1 atm
1 bar = 100kpa
