Psycholos considered a scal science, yet it has foundations in the natural sciences

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

Car batteries are often rated in amp-hours. this rating indicates the quantity of charge that can pass through the battery before the battery's chemical energy must be restored by the car's generator or some other source. the amp-hour unit is convenient for simple calculations. for example, a 60-amp-hour battery can supply a current of 1.0 a for 60 h (or 60 a for 1.0 h) before going dead. find the energy stored in the following. (a) a 58 a-h, 10 v car battery(b) a 1.3 a-h, 1.7 v flashlight battery