For two equal point masses separated by some distance and in an uniform gravitational field, the center of gravity:. i. is on the perpendicular bisector of the line joining the two masses.
ii. is coincident with the location of either one of the mass.
iii. could be anywhere as long as it is equidistant from the two masses.
iv. is exactly in the middle and on the line joining the two masses.

What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?

In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.