A boy pulls a 29.0-kg box with a 160-N force at 38° above a horizontal surface. If the coefficient of kinetic friction between the box and the horizontal surface is 0.25 and the box is pulled a distance of 26.0 m, what is the work done by the friction force on the box?

0.55x745.7j and a calculator

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).