A clear echo is heard within 0.2 seconds when a person shouts by sitting at the ridge of a hill. Calculate the velocity of sound in air. The distance between the person and the hill is 33.2 m

According to Wired magazine, a fidget spinner has a radius of 3.7 cm and can reach a top rotational speed of 140 rads/sec. What is the Period of the spinner at that speed and what is the tangential velocity at the edge?

Ill mark as brainliest. If a circuit has a total resistance of 150Ω and draws 0.5A of current, what is the change in electric potential across the circuit?

Find the x-component of this vector: 42.2°) 101 m Remember, angles are measured from the + x axis. X-component (m)

How are electromagnetic waves different from ocean waves

Where is the value of kinetic energy equal to zero

What is a characteristic of atoms

A doctor uses an instrument (s) that emits light and allows the doctor to view the inside of a patient's intestine. What is the doctor most likely using? - a telescope, a microscope, laser beams, or fiber optics

Find velocity gradient

In equation y = mx means what

Sea anemones can produce completely new organisms by regeneration. Are these new organisms genetically identical to the parents? Why or why not