Which of the following best describes a mechanical wave?

A. A periodic disturbance of a medium.

B. A movement of matter.

c. A transfer of energy.

D. When energy is converted from one form to another.

During operations outside controlled airspace at altitudes of more than 1,200 feet AGL, but less than 10,000 feet MSL, the minimum flight visibility for VFR flight at night is

If it takes you 10 seconds to increase from 0 km/h to 50 km/h, what is your acceleration?

Determine the velocity of car A with respect to car B. A) - 80 km hr B) - 20 km hr C) 20 km hr D) 80 km hr

The scientific name of the Asian elephant is Elephas maximus. What does this name show about the organism's classification? A The genus is Elephas. B The family is maximus. C The phylum is Elephas. DThe kingdom is maximus.

Find the resultant in the x-direction, Rx and y-direction, Ry for F1 = 2.5n in the positive x-direction f2 = 1n in the negative x-direction f3 = 2n in the positive y-direction F4=3n in the negative y-direction

Emission of light from an atom occurs when an electron

Which is an example of transfroming potential energy to kinetic

Place the ball in the plastic bag, and twist the top so the ball is secure in the bag. Wrap the twisted portion with tape so it stays tight. Use the hole punch or scissors to poke a hole in the part of the bag that's above the ball.

Choose The units of 1/4πε0 are: A. N2C2 B. N • m/C C. N2 • m2/C2 D. N • m2/C2 E. m2/C2

What does a fern ultimately depend on as an energy source?