Ineed !
1. a train is moving at 23 m/s due east when it sounds a blast on its horn, frequency = 164 hz. what frequency is heard by the driver of a car moving due east at 15 m/s along a road parallel to the tracks? use 343 m/s for the speed of sound. show all work.
2. a laser beam from earth is reflected back from a mirror on the moon in 2.60 s. if the
distance between earth and the moon is 3.85 × 108 m, calculate the speed of light.
show all work.

How do the measurements of charge at the different locations on the sphere compare to each other? the charge measurements are different at all locations on the sphere. the charge measurements are virtually not the same at all locations on the sphere except for the charge at the very top and at the very bottom that are equal. the charge measurements are virtually the same at all locations on the sphere except for the charge at the very top. at the top, the conductive sphere has a small disk that is made of different material. the charge measurements are the same at all locations on the sphere. what happens to the charge on the conductive sphere when it is connected to a source of charge such as the electrostatic voltage source? nothing will happen because no charge goes around the surface of the sphere. the charge on the conductive sphere spreads out over the surface of the sphere; being greater in some specific locations on the sphere. the charge on the conductive sphere spreads out uniformly over the surface of the sphere. the charge on the conductive sphere spreads out non-uniformly over the surface of the sphere.

Which of the following is an example of units for speed

Is the portion of the electromagnetic spectrum that has a frequency just above that of visible light.