Does a falling rock have potential or kinetic energy

Li ... C. F. Ne Study the electron dot diagrams in Figure 1 above. Which of the elements are most likely to react and form a compound? What type of compound are they likely to form?

Jessica stretches her arms out 0.6 m from the center of her body while holding a 2 kg mass in each hand. she then spins around on an ice rink at 1.1 m/s. a. what is the combined angular momentum of the masses?

Which actions are part of a system of methodical tests and refinements specific to technological design? A. Documenting, tinkering, testing B. Tinkering, presenting, testing C. Testing, documenting, presenting D. presenting, tinkering, testing

A football player carrying the ball runs straight ahead at the line of scrimmage and directly into a wall of defensive linemen. The ball carrier has an initial speed of 7.68 m/s and is stopped in a time interval of 0.202 s.

A guitar string is 1.75 m. Calculate the wavelength of the 78th harmonic * A) 78 m B) 0.02 m C) 0.04 m D) 0 44.60

Which of the following statements correctly compares the frequency and energy of infrared waves and ultraviolet waves? A Infrared waves have lower frequencies than ultraviolet waves.

An object in the solar system orbits the Sun and has enough mass that its gravity has pulled it into a spherical shape, but it does not have enough gravity to clear its neighborhood of orbiting debris. This object is classified as:

An 8.5 l tire is filled with 0.55 moles of gas at a temperature of 305 k. what is the pressure of the gas in the tire?

Total internal reflection occurs only if

A radioactive nucleus at rest decays into a second nucleus, an electron, and a neutrino. the electron and neutrino are emitted at right angles and have momenta of 9.80 ✕ 10-23 kg·m/s, and 5.70 ✕ 10-23 kg·m/s, respectively.