A dolphin emits ultrasound of 100kHz and uses the timings of reflection to determine the position of objects in the water. What is the wavelengths of this ultrasound? Note the speed of sound in water is 1480m/s.

You have a 192 - Ω-Ω resistor, a 0.409 - H-H inductor, a 4.95 - μF-μF capacitor, and a variable-frequency ac source with an amplitude of 3.02 VV. You connect all four elements together to form a series circuit.

What is the relationship between thermal energy. temperature, and the motion of molecules in a substance?

Canada geese migrate essentially along a north-south direction for well over a thousand kilometers in some cases, traveling at speeds up to about 100 km/h.

A bowling ball has a mass of 6 kg what happens to its momentum when its speed increases from 2 m/s to 4 m/s

What are the negatives of changing to hydrogen powered cars?

A proton in a particle accelerator is traveling at a speed of 0.99c. (a) If you use the approximate nonrelativistic equation for the magnitude of momentum of the proton, what answer do you get?

An object of mass 3 kg, moving with and sticks to an object of mass 2.00 kg with an initial velocity of 3.00 m/s. Find the final velocity of the composite object.

What is the mathematical relationship between frequency wavelength and wave speed?

What is the basic unit of each type of elements

White light is composed of all the colors of the visible light spectrum. The spectrum is usually said to consist of A) red, blue and green B) red, yellow, blue and green C) red, orange yellow, green, and blue D) red, orange yellow, green, blue, and