A bicyclist riding at 8 m/s along the shoulder of a highway toward an approaching car hears the car’s horn at a frequency of 480 Hz. If the driver of the car hears his own horn at a frequency of 450 Hz, what frequency will the bike rider hear after the car has passed her?

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

The least penetrating form of radiation is