A car, initially at rest, starts rolling down a hill with an acceleration of 3.2 m/s/s If it takes 9 seconds to reach the bottom, how long is the hill?

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

The slope of a velocity time graph over any interval of time gives the during that interval

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?