in a particular television picture the measured beam current is 60uA how many electrons strike the screen every second

Arrange the images in order to show how lake-effect snow occurs.

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?

Asailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at 2.5m/s2 for 4s. after the wind stops, the sailboat is traveling to the left with a velocity of 3.0m/s.assuming the acceleration from the wind is constant, what was the initial velocity of the sailboat before the gust of wind? answer using a coordinate system where rightward is positive.