A parachutist of mass 75kg descends with an acceleration of 8 m/s2. What is the upward force exerted by the air on the parachutist?

The two strength factors that relate to all three competitive forces are

An object with a mass of 2.0 kg is accelerated at 5.0 m/s/s. the net force acting on the mass is

Find your average speed if you run 50m in 10s

A diffraction grating contains 15,000 lines/inch. We pass a laser beam through the grating. The wavelength of the laser is 633 nm. On a screen 2.66m away, we observe spots of light.

What is web browser

What is an organism ability to maintain a steady internal condition called

What is the fundamental frequency of a particular medium?. a. the lowest frequency at which a standing wave is possible. b. the highest frequency at which s standing wave is possible

The distance from the inner core to the surface of the earth is about 5,200 kilometers. the large amount of material surrounding the inner core places tremendous pressure on it.

What type of wave is sound? longitudinal light surface transversal

What is the difference between meteors and meteorites?