How does the wavelength of a sound affect the way it moves around corners

The areas of the pistons are 20 cm^2 and 100 cm^2. A force of 10 N is applied to the small piston. How much force is on the large pistons?

Which types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light? Select two options. radio waves infrared light microwaves gamma rays visible light X-rays

Kayakers wax their boats to a) reduce the work output b) reduce the weight of the kayak c) reduce their input force d) reduce the speed the boat traveles in water

An athlete stretches a spring an extra 28.6 cm beyond its initial length. how much energy has he transferred to the spring, if the spring constant is 52.9 n/cm?

A book falls of the table and hits the floor. Is work done? Why?

Determina que unidades no corresponden a las unidades del SI

Lucy tells her classmates that while she was at the lake, she realized that when she dove underwater, she couldn't hear anything. Lucy thinks this is because sound can not pass from the air into the water.

Imagine a bouncing ball that does not lose any energy as it bounces. could it ever bounce to a greater height than it was dropped from? explain your answer

Defanation of evaporqation

The most abundant gas in the Earth's atmosphere is: A. carbon dioxide B. hydrogen C. nitrogen D. oxygen