Aspinning ice skater will speed up if he brings his arms close to his body. which of the following statements explains this phenomenon? a. angular momentum is always conserved. b. a centripetal force always points outward. c. circular motion is always uniform. d. centripetal acceleration cannot change.

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)

Determine the maximum r-value of the polar equation r =3+3 cos 0

Assume this car is driven off a cliff . how many arrows of force need to be drawn in the free body diagram? assume no air resistance -five -one -three -four