A ball is rolling a 5 m/s down a hill the ball has 20 J of energy what is the mass of the ball

1.6kg

8kg

50kg

When an object is burning, two atoms of oxygen (in the air) combine with one atom of carbon (from the substance burning). this produces three atoms that combine to form carbon dioxide gas.

Which of these components is present in this circuit schematic?

All the planets orbit the Sun

What is a transverse wave? How do the particles in the medium move in relation to the energy of the wave? Does this wave require a medium?

What is the way to measure a wavelength

Kendall has empty graduated cylinder with markings and an identical graduated cylinder partway filled with water. She also has a balance and a marble. Which statement best describes what Kendall can do? A.

2. With regard to the pH scale, a solution with a pH A. higher than 7 is considered an acid. B. lower than 7 is considered basic. C. of 6 is considered neutral. D. close to 14 is considered a strong base.

If a car rolls gently off a vertical cliff, how long does it take to reach 90km/hr.

In the game of volleyball, what skill relates to Newton's second law

The minimum breaking distance d in feet for a typical vehicle can be modeled with the equation d (v) = 0.045v2, where v is the vehicle's speed in miles per hour.