A 0.15 kg ball is thrown upward and reaches a height of 7 m. What will its KE

be when it falls back down, just before it hits the ground?

A. 1.1J

B. 1.5 J

C. 10.3 J

D. 15 J

Which phrase best describes wave motion? a. movement of energy through space or a medium b. movement of matter through space c. movement of energy within a partice d. movement of air molecules through a medium

Lines on a map that run parallel to the equator are known as A. the prime meridian. B. cartography. C. lines of longitude. D. lines of latitude.

Write the alignment of the Moon the Sun and the Earth causes a spring tide

A typical carbon atom has six protons, six neutrons, and six electrons. Which of these has the least amount of mass? A) one Proton B) one Neutron C) six Electrons D) These masses are too tiny to measure

Which statements describe the wave? Check all that apply. The wave is a mechanical wave. The wave is an electromagnetic wave. The wave moves energy through matter. The wave moves energy through space without matter.

How long does it take for light to travel from the sun to earth?

Two very small spheres are initially neutral and separated by a distance of 0.30 m. Suppose that 2.50 1013 electrons are removed from one sphere and placed on the other. (a) What is the magnitude of the electrostatic force that acts on each sphere?

Why is it important to balance a chemical equation? A. It is not important to balance a chemical equal B. To make sure you have the correct products C. To make sure you have the correct reactants D. To obey the law of conservation of mass

The presence of icicles hanging off the eaves of a wood-framed structure is most likely due to: heavy snow followed by a thaw. improper insulation in wall cavities. use of a poor-quality roof sheathing material. lack of proper roof ventilation.

Both gravitational potential energy and kinetic energy depend on