What kind of wave is created if a tree falls in a forest?

1. polarized wave

2. transverse wave

3. none of these

4. sound wave

5. electromagnetic wave

Ropes 3 m and 5 m in length are fastened to a holiday decoration that is suspended over a town square. The decoration has a mass of 10 kg. The ropes, fastened at different heights, make angles of 52° and 40° with the horizontal.

If the sun were to suddenly stop providing energy to earth, what would happen to Earth and its inhabitants?

Mike has a mass of 97 kg. He jumps out of a perfectly good airplane that is 2000 m above the ground. After he falls 1000 m, when his downward speed is 68 m/s, Mike opens his parachute. The positive y-direction is downward.

On a cloudless day, the sunlight that reaches the surface of the earth has an intensity of about 1.40 * 10 3 1.40*103 W/m². What is the electromagnetic energy contained in 6.00 m³ of space just above the earth's surface?

Determine whether each statement is a description of a physical property or a chemical property. Sodium metal reacts vigorously with water to produce hydrogen gas. physical chemical Steel is attracted to magnets. physical chemical

How do you find the velocity when an object is at rest?

A circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.069 T. The plane of the loop is perpendicular to the direction of the magnetic field. In a time interval of 0.

Explain or don't answer : 3 If the medium a wave is traveling through is constant, what about the wave can change? A: only its speed or frequency B: both its frequency and wavelength C: both its amplitude and speed D: both its speed and wavelength

The force of attraction between two oppositely charged pith balls is 5.3 * 10-6 newtons. If the charge on the two objects is 6.7 * 10-9 coulombs, what is the distance between the two charges? (k = 9.0 * 109 newton·meter2/coulombs2)

A Styrofoam slab has thickness h and density ρs. When a swimmer of mass m is resting on it, the slab floats in fresh water with its top at the same level as the water surface. Find the area of the slab.