the speed of sound in the air is about 340m/s. what is the wavelength of a sound wave with a frequency of 400Hz?

What best describes the greatest height a ball will bounce off the ground after being dropped from a height of 50 centimeters

Why are surface waves more destructive to buildings that p waves or s waves are

Can a higher mass-to-light ratio mean that there is gas and dust present in the system that is being analyzed?

How many layers does the world have?

How are the troposphere, stratosphere, and thermosphere important for supporting life on Earth? Which layer of the atmosphere is likely the most important for life on Earth?

What are the arrangement of resistors in series

A pilot flies horizontally at 1300 km/h, at height h! 35 m above initially level ground. However, at time t! 0, the pilot begins to fly over ground sloping upward at angle u! 4.3° (Fig. 2-38).

A helicopter flies 30 km 30 degrees north of east, drops of the supplies to a research team; it then heads 50 degrees north of west traveling 70 km to drop the supplies to a filming crew. What is the resultant displacement of the helicopter?

Plaskett's binary system consists of two stars that revolve in a circular orbit about a center of mass midway between them. This statement implies that the masses of the two stars are equal (see figure below).

Is mercury (the planet) rocky or gaseous (meaning relating to or having the characteristics of a gas.)