# Yuli

1. ## physics

how do you find time when all you're given are two different speeds the height and the angle?
2. ## physics

A toy rocket is traveling to the right at 15.0 m/s when it undergoes a constant acceleration 3.00 m/s^2 to the left how long does it take before the rocket stops moving to the right? what distance does the rocket travel before it stops moving to the right?
3. ## chemistry

A gaseous mixture in a 25.00 L container is made of 16.0 g N2 and 14.0 g Ar and has a total pressure of 1.00 atm. 1.Calculate the partial pressure of the N2 in the mixture. the ans is 0.620 atm 2.Calculate the temperature of the gas mixture. can someone
4. ## chemistry

cold water mass of calimeter+ water: 68.66g mass of calimeter: 19.19g mass of water: 49.47g final temperature of water: 39.1C initial temperature of water: 25.5C delta(T) of water: 13.6C hot water mass of calimeter+ water: 79.55g mass of calimeter: 20.61g
5. ## physics

A 62.7-kg person jumps from rest off a 2.98-m-high tower straight down into the water. Neglect air resistance. She comes to rest 1.09 m under the surface of the water. Determine the magnitude of the average force that the water exerts on the diver. This