Which of the following is an example of a gas liquid mixture?

a. air we breath

b. helium balloon

c. ice cube

d. Carbonated drink

How do Earth's and Jupiter's orbits compare?

What force keeps an object moving in a circle

What is the unit for coefficient of kinetic friction?

One atom of iron contains 26 protons, 30 neutrons, and 26 electrons. Which of the following would be possible for another atom of iron? A. 25 protons, 30 neutrons, 26 electrons B. 26 protons, 28 neutrons, 26 electrons C.

A car travels at 40km/hr for 2 hours and at 55 km/hr for 2 hours. How far has the car traveled? What is its average velocity?

A weightlifter exerts an upward force on a 1000-N barbell and holds it at a height of 1 meter for 2 seconds. Approximately how much power does the weightlifter exert on the barbell during this time?

Assuming no friction form air, how far will a dropped rock fall in 10 seconds

A person walks 25.0° North of East for 3.10 km. How far would she have to walk due north and due east to arrive at the same location?

Which elements exist naturally as diatomic molecules

Object B has a mass of 8 kg and was lifted at a rate of 3 m/s. What is the kinetic energy of object B?