Homework Statement
A scale is adjusted so that when a large, shallow pan is placed on it, it reads zero. A water faucet at height h = 3.1 m above is turned on at t=0 and water falls into the pan at a rate R = 0.16 kg/s.
Determine a formula for the scale reading as a function of time t for t...
Homework Statement
The space shuttle launches an 890-kg satellite by ejecting it from the cargo bay. The ejection mechanism is activated and is in contact with the satellite for 3.0 seconds to give it a velocity of 0.20 m/s in the z-direction relative to the shuttle. The mass of the shuttle is...
Homework Statement
A fire hose for use in urban areas must be able to shoot a stream of water to a maximum height of 35 m. The water leaves the hose at ground level in a circular stream 3.5 cm in diameter.
What minimum power is required to create such a stream of water? Every cubic meter of...
Homework Statement
The binding energy of a two-particle system is defined as the energy required to separate the two particles from their state of lowest energy to r=infinity. The potential energy of the two atoms in a diatomic (two-atom) molecule can be written
U(r)=-a/(r^6)+b/(r^12)
where...
edited: oh wait, i think I get what you mean...
so I got sqrt((3*r*v^2)/(4*pi*G))=R <radius of asteroid
but what do I use for r?
r=R+a small number? which would equal R?EDIT!:omggggggg I am so stupid ok.. let me do it again!
Homework Statement
A spherical asteroid has a density of 2600 kg/m^3. I throw a ball at the speed on 20 m/s. If the ball is to travel in a circular orbit, what is the largest radius of the asteroid possible to accomplish this?
Homework Equations
these are the equations I used..
escape...