a block is pulled across a rough, horizontal surface from point a to point b by a force, p as shown in the figure. the magnitude of the force of friction acting on the block between a and b is 1.2 n, and points a and b are 0.75 m apart. if the kinetic energies of the block at a and b are 4.2 j and 5.8 j, respectively, how much work is done on the block by the force p between a and b?

Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.

How to write the number 20.484.163 in expanded form

Which of the following comparisons is true? a: high school tests generally cover more material than college exams. b: your college curriculum is more fixed and standardized than your high school curriculum. c: you get more personal attention in class from your college professors than from your high school teachers. d: college professors usually don't review test material in class the way high school teachers do.