A box is sliding down a plane that θ = 20 degrees. Calculate the coefficient of kinetic friction μk if the box is moving at a constant velocity v. Your using Newton's First Law to solve this problem.

Which of the following changes to a pipe would increase the conductance by a factor of 12? 1.quadrupling the length and tripling the radius.2.reducing the length by a factor of and doubling the radius.3.tripling the length and reducing the radius by a factor of .4.reducing the length but a factor of and doubling the radius.

The ph is the a.independent variable b.the dependent variable c.control group

Which missing item would complete this alpha decay reaction ? > 228/88ra + 4/2he a.224/96 rn b. 232/90 th c. 230/92 u d. 235/92 u