The multiple reflection of a single sound wave is a/an

a. echo.

b. reverberation.

c. refraction.

d. diffraction.

Does salt water freeze at a lower temperature than tap water?

In a certain oscillating LCcircuit, the total energy is converted from electrical energy in the capacitor to magnetic energy in the inductor in 1.61 μs.

A square coil of wire of side 3.95 cm is placed in a uniform magnetic field of magnitude 2.25 T directed into the page as in the figure shown below. The coil has 34.0 turns and a resistance of 0.780 Ω. If the coil is rotated through an angle of 90.

Dr. west mixes zinc (zn) and hydrochloric acid (hcl) together in his laboratory. the two chemicals react to form hydrogen gas (h2) and zinc chloride (zncl2).

Why does the hot water turn purple when poured over red cabbage leaves?

How are molecules in a neutral state different from ions?

What is a hypothesis for why mitochondrion has separate dna from the nuclease?

An airplane flies 1350km in 2 1/4 hours. What is its average speed in kilometers per hour?

A projectile is launched over a horizontal surface in such a manner that its maximum height is 3/5 of its horizontal range. Determine the launch angle.

Two identical capacitors are arranged in a circuit. What is the ratio of the equivalent capacitance of the circuit when the capacitors are in series to that when they are in parallel?