If 1.3 grams of air has a volume of 1000cm ^3, what is the density of air?

A) 1300g/cm^3

B) 1001.3 g/cm^3

C) 769.23 g/cm^3

D) 0.0013 g/cm^3

Which scientist first discovered that white light is a mixture of a rainbow spectrum of light rays?

We inhaie oxygen and exhale dioxide in the result of a what change

Batteries (e. g., lead-acid batteries) store chemical energy and convert it to electric energy on demand. Batteries do not store electric charge or charge carriers.

Find the magnitude of the gravitational force a 68.4 kg person would experience while standing on the surface of earth with a mass of 5.98 à 1024 kg and a radius of 6.37 à 106 m. the universal gravitational constant is 6.673 à 10â11 n · m2 / kg2.

The size of gravitational force between two objects depends on their

A hot air balloon is hovering in the air when it drops a 40 Kg food package to some lost golfers. If the package is dropped from an altitude of 500 m and air resistance can be neglected, how fast is the package moving when it hits the ground?

you often hear people particularly TV announcers talk about "high rate of speed" what do you think they mean according to the specifics of physics definitions what are they really saying

What is the value of x in the equation Ix - 3y = 30, when y = 15?

32. How much work is done pushing an 80 N box 2 m across ue surtout What work is done? a. 40 J c. 160 J b. 20 J d. 240 J

Which is a resource that the National Park Service manages? A. memorials B. wildlife refuges C. ecosystems D. endangered species