Helium is less than the elements that make up the air we breathe, so a balloon filled with helium will float in air.

What is a solution-based process and why it is important in engineering?

the power rating of an electric lawn mower is 2200 watts. if the lawn mower was used for 30 mins, and 650 Newtons of force was used, how much distance was covered?

These are equal and opposite forces that do not cause a change in position or motion. True or False

3. A clown rides a small car at a speed of 15 km/h along a circular path with a radius of 3.5 m. What is the magnitude of the centripetal force on a 0.18-kg ball held by the clown?

7. There are two water containers: a cube and a sphere. The length of the side of the cube is 3 m and the radius of the sphere is 3 m. When the two containers are full of water, which container contains more mass?

What percentage of North American adults may be functioning below their potential due to prolonged exposure to stress

Give a example of frequency which an elephant can hear and a tiger cannot hear include a unit in ansawer

Why do you keep moving forward when you slam on the brakes of your bike?

a motorcycle begins at rest and accelerates uniformly at 7.9 m/s2. We want to find the time it takes the motorcycle to reach a speed of 100 km/h. Which kinetic formula would be most useful to solve for the target unknown?

When a covalent or an ionic bond is formed a chemical change has occurred. Which of these is not associated with a chemical change? A) The atoms of the substance produced have been rearranged.