A 3 kg ball makes a perfectly inelastic collision with a second ball that is initially not moving. The combined balls move with a speed equal to one third the original speed of the first ball? What is the mass of the second ball?

Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more

Find the equation for the plane through upper p 0 left parenthesis negative 4 comma negative 8 comma negative 5 right parenthesis perpendicular to the following line. xequalsnegative 4 minus t, yequalsnegative 8 plus 2 t, zequals3 t, minusinfinityless thantless thaninfinity

How does an observation about an object differ from an inference about that object