A playground merry-go-round has a radius R and a rotational inertia I. when the merry-go-round is at rest, a child with mass, m runs with speed, v along a line tangent to the rim and jumps on. the angular velocity of the merry-go-round is then;

The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?

Which lists the organs in the correct order as food passes from the mouth to anus?