What kind of mirror is used in automobiles and trucks to give the driver a wider area and smaller image of traffic behind him.?​

Which describe reflection? check all that apply. light bounces off a boundary.

In which of the following is positive work done by a person on a suitcase

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction