If 1.00 km^3 of air has a mass of 1.2x10^9 kg what is the density of air in g/cm^3

What was the weight, range, and cruising speed of "the big e?

A helium-filled balloon is launched when the temperature at ground level is 27.8°c and the barometer reads 752 mmhg. if the balloon's volume at launch is 9.47 * 10^{4} 4 l, what is the volume in liters at a height of 36 km, where the pressure is 73.

The name of the SI unit for force is the

Arrange the events of the earliest stellar formation in sequential order. 1. Hydrogen atoms shed their electrons and fuse together to form larger helium atoms. 2.

What happens when a positively charged object is placed within a positive electric field

4. What is one of a defensive driver's most important tools for identifying hazards? A. scanning B. listening C. watching your mirrors D. turn signal

1. Is the pressure exerted by liquid same at all places? Where is the pressure exerted by liquid higher? Why do you think so? 2. Were your predictions correct? Why or why not?

An astronaut measured the surface gravity of a planet to be 5.77 m/s2. If its radius is 4.17 x 106 m, what is the mass of the planet? ?] x 10 kg

Why do dark-colored rock pocket mice on dark lava flows have white bellies?

What is the specific heat of silver if the temp ig a 15.4g sample of silver is increased frin 20 degrees celsius to 31.2 degrees celsius when 40.5 Joules of heat is added?