Science fiction movies depict astronauts landing on large asteroids. the gravitational force of such bodies is typically less that 0.1 n/kg. given an astronaut with a mass of 77.3 kilograms:

(a) what would his weight be on earth (g= 9.8 n/kg) in newtons and pounds (force)?

(b) what would his weight be on an asteroid (g= 0.08 n/kg) in newtons and pounds (force)?

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

Argon is adiabatically compressed from an initial volume of 16 liters to a final volume of 2 liters. by what factor do the following quantities change? do they increase or decrease? (a) the rms speed (b) the thermal energy of the gas (c) the molar specific heat cv (d) the pressure

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles