Angular deceleration and initial angular speed
A circular saw blade completes 1200 revolutions in 40 rm s while coasting to a stop after being turned off. Assuming constant deceleration, what are (a) the angular deceleration and (b) the initial angular speed?
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What are the strengths and weaknesses of IQ tests, including: why disparities exist in the IQ test scores of people from different racial, ethnic, religious, and socioeconomic groups.
A street lamp weighs 190 N. It is supported by two wires that form an angle of 120° with each other. The tensions in the wires are equal. (a) What is the tension in each wire supporting the street lamp?
Define nature vs. nurture as explained in your text and as you see it applied in life. Provide examples of the influence of each in your own life and family. Choose a side as being most influential and explain why you agree with this view. Iden
He notes that a long pendulum extends from the ceiling almost to the floor and that its is 54 s. Determine (i)The period when the pendulum is taken to the moon where g=1.6m/s2.
Which sociologist's hierarchy of sciences was sociology the "queen" and its practitioners, "scientist-priests"?
A baseball is hit at ground level. The ball is observed to reach its maximum height above ground level 3 seconds after being hit. How high is the fence?
Select any two of the four basic strategies used to preserve security. Identify and describe what assumptions are made about the opponent according to each of the two strategies you chose.
A sled weighing 200 N is held in place on a frictionless 50.0 degree slope by a rope attached to a stake at the top of the slope. The rope is parallel to the slope. What is the normal force of the slope acting on the sled?
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