Author Question: Sue and Betti both ski straight down a hill, both starting from rest. Sue weighs more than Betti. ... (Read 61 times)

asd123 · **on:** Jul 29, 2018

Sue and Betti both ski straight down a hill, both starting from rest. Sue weighs more than Betti. Neglecting friction and wind resistance, which skier will be moving the fastest at the bottom of the hill?

A) They will be moving with the same speed.
B) Sue
C) Betti

Question 2

A factory robot drops a 10 kg computer onto a conveyor belt running at 3.1 m/s. The materials are such that s = 0.50 and k = 0.30 between the belt and the computer. How far is the computer dragged before it is riding smoothly on the belt?

A) 3.0 m B) 1.6 m C) 0.98 m D) 2.3 m