# Posts by ravyn

Total # Posts: 10

**chemistry**

What mass (in gram of air) is filled in a hot balloon when it is finflated (at 95oC) to a volume of 500 L at 1.15 atm? (The average molar mass of air is 29 g/mol)

**physics**

Suppose all of the apples have a mass of 0.10 kg. If one of the apples in the bowl (C) is 1.0 meter above the ground, what is its potential energy?

**physics**

A 55.0-kg skydiver free falls for a period of time before opening his parachute. What is his kinetic energy when he reaches a velocity of 16.0 meters/second?

**physics**

Mechanical energy is the difference between the kinetic and potential energies of an object true or false?

**physics**

Mechanical energy is the difference between the kinetic and potential energies of an object true or false?

**physics**

A 55.0-kg skydiver free falls for a period of time before opening his parachute. What is his kinetic energy when he reaches a velocity of 16.0 meters/second?

**physics**

Suppose all of the apples have a mass of 0.10 kg. If one of the apples in the bowl (C) is 1.0 meter above the ground, what is its potential energy?

**physics**

Suppose all of the apples have a mass of 0.10 kg. If one of the apples in the bowl (C) is 1.0 meter above the ground, what is its potential energy?

**math**

18 and 5/16

**6th grade**

look it up

- Pages:
**1**