A child pushes horizontally on a box of mass m which moves with constant speed v across a horizontal floor. The coefficient of friction between the box and the floor is u at what rate does the child do work on the box? (u is the coefficient of fraction).

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.

How do you work out 21.3-8= show your working. plz

31. all the following are effective ways of preparing for an interview except practicing in front on a mirror writing down answers to possible questions holding a mock interview with a friend memorizing interview questions and answers