Exam 2 Physics
PointsAwarded PointsMissed Percentage 48.00 2.00 96.0%
1. A certain crane can provide a maximum lifting force of 25 000 N. I t hoists a 2000-kg load s tarting at ground level by applying the maximum force for a 2-second interval; then, i t
Exam 5 Physics
PointsAwarded PointsMissed Percentage 50.00 0.00 100.0%
1. A car moving at 35 m/s approaches a stationary whistle that emits a 220 Hz sound. The speed of sound is 343 m/s. What is the frequency of sound heard by the driver of the car? a. 19
Exam 3 Physics
PointsAwarded PointsMissed Percentage 46.00 4.00 92.0%
1. Consider four point masses: the 1.0 kg mass is 1.0 m from the origin, the 2.0 kg mass is 2.0 m from the origin, the 3.0 kg mass is 3.0 m from the origin, and the 4.0 kg mass is 4.0 m
Exam 4 Physics
PointsAwarded PointsMissed Percentage 44.00 6.00 88.0%
1. An aluminum tank of volume 0.0300 m3 is filled to the top with mercury at 20.0 . The tank is placed inside a chamber with an interior temperature of 70.0 . The coefficient of volume
35 C
r Module 2
Show all work and reasoning in your solution to each problem for full credit. Problems
Chapter 4:
3. Two horizontal forces, F1 and F2 , a re acting on a box, but only F1 is shown on the drawing. F2 can point either to the r ight or to the
Module 4
1. If you have trouble with the problem, post your question on the discussion Cafe. You will not be able to see other postings on your problems until you have posted your solutions. You must state which problem you are doing, you may have to incl
Module 5 1. Post the problems you will have in your problem set ASAP so no other student will select the problem. 2. If you have trouble with the problem, post your question on the discussion Cafe. You will not be able to see other postings on your proble
Module 6 Problems for this module are: Chapter 16: 1. Light is an electromagnetic wave and travels at a speed of 3.00 x 108m/s. The human eye is most sensitive to yellow-green light, which has a wavelength of 5.45 x 10-7 m. What is the frequency of this l