True or false. The number of images formed depends upon the angle between the mirrors.
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Ann walks 80 meters on a straight line 33 ∘ north of east starting at point 1. draw ann's path. represent ann's walk with a vector of length 80 meters. draw the vector starting at point 1. the length given in the display is in meters.

The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up