Monday, October 18, 2010

Homework - 10/18/10

Three bears each push on a crate full of kittens with 100 N. Kitten lover and long-time bear hater, Mr. Aul steps in to the rescue. Mr. Aul pushes back with 500 N. The crate’s mass is 25 kg. What is the magnitude and direction of the crate's acceleration?

Remember: For full credit, you need to fill the entire page. You must include the free body diagram, show all of your work, and explain if your answer seems reasonable or not. You can explain if the value for acceleration seems reasonable or too high/low. Also, does the direction of the acceleration make sense?

Monday, October 4, 2010

Homework - 10/4/10


Chuck Norris roundhouse kicks a guy off a cliff. The man leaves the cliff horizontally with a velocity of 2.5 m/s. If the cliff is 30 meters high, how far away from the base of the cliff will the man land?


Remember: For full credit, you need to include the diagram, mathematics, and explanation to fill the entire page. For the explanation, remember to explain how you knew which equation to use and whether your answer seems reasonable.