An open vertical tube has water in it. A tuning fork vibrates over its mouth. As the
water level is lowered in the tube, the fourth
resonance is heard when the water level is
161 cm below the top of the tube.
what is the wavelength of the sound wave? the speed of sound in air is 343 m/s. answer in units of cm

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?