The cheetah can maintain its maximum speed for only 7.5 s. what is the minimum distance the gazelle must be ahead of the cheetah to have a chance of escape? (after 7.5 s the speed of cheetah is less than that of the gazelle.) answer in units of m.

Which is not true about oxygen-17 and oxygen-18?

Amichelson interferometer operating at a 600 nm wavelength has a 3.02-cm-long glass cell in one arm. to begin, the air is pumped out of the cell and mirror m2 is adjusted to produce a bright spot at the center of the interference pattern. then a valve is opened and air is slowly admitted into the cell. the index of refraction of air at 1.00 atm pressure is 1.00028.how many bright-dark-bright fringe shifts are observed as the cell fills with air?

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little