A 0.14 kilogram baseball is thrown in a straight line at a velocity of 30 m/s. What is the momentum of the baseball?

Which of the following stars would be the most luminous? 2. Yellow star 3. Red star 4. Blue star 5. Orange star

Complete this equation that represents the process of nuclear fusion. Superscript 226 Subscript 88 Baseline R a yields Superscript A Subscript B Baseline R n + Superscript 4 Subscript 2 Baseline H e A: B:

If the resistance in a circuit connected to a constant current is halved, how is the voltage in the circuit affected? The voltage remains constant. The voltage is doubled. The voltage is reduced by a factor of 4.

To calculate the ideal mechanical advantage of a lever divide the input arm by the

What conditions are typcial of the soil the deeper we dig into it?

Which of the following statements is true regarding the use of refrigerants? a. if your equipment is recovery only, refrigerant that is removed from vehicles should be poured down the drain b.

When would the velocity of a wave traveling in a medium change? A - only if a property of the wave changes B - only if a property of the medium changes C - if a property of both the wave and the medium changes D - never

If the moon did not have an atmosphere what would happen to it

a 2.0 kg mass moving to the east at a speed of 4.0 m/s collides head-on in a perfectly inelastic collision with a stationary 2.0 kg mass. how much kinetic energy is lost during

How did people years ago find out which side of a magnet was north and which was south?