Which formula can be used to find the angle if the resultant vector

What are derived quantities? How do we get derived units?

A moving walkway at an airport has a speed v1 and a length l. a woman stands on the walkway as it moves from one end to the other, while a man in a hurry to reach his flight walks on the walkway with a speed of v2 relative to the moving walkway.

Are waves created by vibration

Which type of cloud is often taken to be a sign of fair weather? A. Cumulus B. Altostratus C. Stratus D. Nimbostratus

The population of ticks in the forest and the temperature of the air have an indirect relationship. As the air temperature increases, how does the population of ticks change?

Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell occurs when

Ultrasound consists of sound at frequencies most people can hear?

Ali has less mass flying in a jet high above the earth than when she stands on the surface of the earth. True False

A passenger jet flies from one airport to another 1,333 miles away in 2.2 h. Find its average speed in the mks system of units.

A string is wound tightly around a fixed pulley whose radius is 5.0 cm. As the string is pulled, the pulley rotates without slipping. What is the angular speed of the pulley when the string has a linear speed of 5.0 m/s?