PHY 113 Midterm: P113 12 Exam 2solns
Document Summary
Please read the problems carefully and answer them in the space provided. Write on the back of the page, if necessary. Partial credit will be given unless specified otherwise. Problem 1 (8 pts, give some indication of your thinking, i. e. , show your work): Her weight at the new height is: zero, she is weightless, unchanged, i. e. 500 n, (1/2)500 n = 250 n, (1/4) 500 n = 125 n, (2)500 n = 1000 n (4)500 n = 2000 n. Problem 2 (15 pts, 5 pts per part, show work and/or give indication of your thinking): (a) an airplane travels due east at 25 m/s. The plane encounters wind that exerts a force of 200n on the airplane in a direction of 30 degrees west of due south as shown in sketch (i) (which depicts the situation as seen from above). A 4 kg block slides down a frictionless inclined plane from a height of 2 meters.
