a basketball rolls across a classroom floor without slipping, with its center of mass moving at a certain speed. a block of ice of the same mass is set sliding across the floor with the same speed along a parallel line.

One common system for computing a grade point average (gpa) assigns 4 points to an a, 3 points to a c, 1 point to a d, and 0 points to an f. what is the gpa of a student who gets an a in a 3 credit course, a b in each of two 2 credit courses, and a d in a 2 credit course?

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

Need will give 100 ! in no less than one hundred fifty words, explain why it is important for engineers to sketch designs and use them to clarify their designs to other people, giving at least three reasons.