When water waves approach an obstacle such as the supports holding up a pier, they will bend around the supports. This wave phenomenon is called

a. reflection.

b. refraction.

c. diffraction.

d. polarization.

How would you explain to someone that it's possible to have more than one full moon in a month?

A particle moves over the sides of an equilateral triangle if side l with constant speed v The magnitude of average acceleration is

Light in air enter crown glass (n = 1.52) at an angle of 35 degrees. What is the refracted angle?

Which of the following is a true statement? A. In a generator, electrical energy is converted into the energy of motion. B. In a motor, the energy of motion is converted into electrical energy. C.

W, the turntable stops rotating, and the ladybug and the gentleman bug move to opposite edges of the outer rim. the gentleman bug has not watched his weight and is much more massive. the turntable then begins rotating ever more rapidly.

The voltage across the primary winding is 350,000 V, and the voltage across the secondary winding is 17,500 V. If the secondary winding has 600 coils, how many coils are in the primary winding? 30 583 12000 332500

A 200 watt t. v. is used for 20 hours in a week. If it is used for four weeks then what is cost of electricity if rate is 5rs/kwh

In an experiment, the control is never changed by the scientist not important to the scientist not recorded by the scientist changed by the scientist

When you catch a baseball, what kind of work do you do, negative or positive? by catching the ball, what do you change? what energy does it gain or lose?

All describe work except A) a team of dogs dragging a sled B) a jokey sitting on a horse C) a bowler lifting a bowling ball