Consider two waves X and Y traveling in the same medium. The two carry the same amount of energy per unit time, but X has one-seventh the amplitude of Y. What is the ratio of their wavelengths? (λY/λX=?)

An RC circuit takes t = 2.5 ms to charge to 35% of its full charge after it weas connected to a battery, What is the total time it takes for the capacitor of this curcuit to charge to 95% of the full charge?

An objects mass refers to

Why are lamps connected in parrells rather than in a series in domestic circuit

Elephants can create and detect infrasonic sounds-sounds of frequencies lower than about 20 Hz-which can travel long distances. They create these sounds using the cavity that extends from their larynx to the tip of their long trunk.

What causes the end of a star?

Disadvantages of magnets

What type of motion occurs when an object spins around an axis without altering its linear position?

What happens to the movement of particles in a liquid when it is heated?

During a demonstration of the gravitational force on falling objects to her class, Sarah drops an 11 lb. bowling ball from the top of the science building. Determine distance the ball has traveled after falling for 1.

A teacher wants to demonstrate that unheated water can boil at room temperature in a beaker within a bell jar connected to a vac-uum pump. However, the vacuum pump is faulty and can reduce pressures only to 15 kPa.