What is the acceleration of a ball rolling down a ramp that starts from rest and travels 0.9 m in 3 s?

An initially stationary 2.3 kg object accelerates horizontally and uniformly to a speed of 8 m/s in 3.0 s. (a) In that 3.

Which one of the following is a decomposition reaction? A. 2H2O (l) → 2H2 (g) + O2 (g) B. N2 (g) + 3H2 (g) → 2NH3 (g) C. CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (g) D. 2H2 (g) + O2 (g) → 2H2O (g)

Which isotope is use to date ancient artifacts such as fossils?

How can you use scientific law in a sentence

Which best describes the motion of the object between 1 and 4 seconds?

Water, with a density of rho = 1145 kg/m 3, flows in a horizontal pipe. In one segment of the pipe, the flow speed is v 1 = 7.33 m/s. In a second segment, the flow speed is v 2 = 1.57 m/s.

What does the color of a star determine

Scientific cosmology Choose one: A. investigates the overall structure and history of the Universe. B. pertains to legends and verbal history about the beginnings of the Universe. C. proves the Big Bang theory. D.

Which statement best describes longitudinal waves? A) Particles of the wave medium move perpendicular to the direction of propagation of the wave. B) Longitudinal waves do not require a material medium for propagation.

Three-fourths of the Earth's surface is covered by water. The water cycle includes these water sources evaporating and returning to Earth as rain and snow.