Average tangential speed at the edge of the grindston
A grindstome of radius 4m is initially spinning with an angular speed of 8 rad/s. Angular speed is the increased to 10 rad/2 over the next 4 seconds. What is the average tangential speed at the edge of the grindstone during this time.
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A stone is dropped at t = 0. A second stone, with 6 times the mass of the first, is dropped from the same point at t = 59 ms. (a) How far below the release point is the center of mass of the two stones at t = 440 ms? (Neither stone has yet reached
The acceleration due to gravity on the moon is 1.62 {rm{ m/s}}^{rm{2}}. What is the length of a pendulum whose period on the moon matches the period of a 1.60-m-long pendulum on the earth?
What is the molarity of C5H10O5 in an aqueous solution that is prepared by dissolving a 23.95 g sample of impure C5H10O5 in water to make 1,175 mL of solution. Assume that the sample is 77% C5H10O5 by mass.
According to the kinetic theory of gases, the translational kinetic energy of an ideal gas is given. Calculate the translational kinetic energy per mole for the He atoms and for the Ar atoms.
Select any developed country (such as U.S., England, Canada, Germany, etc.), AND select any developing country (such as Angola, Bangladesh, Chad, Nigeria, etc.), then download the resulting tables as Excel spreadsheets. Paste them into your
Describe and analyze the new definition of child overweight as an effective intervention for childhood obesity. In your opinion is it useful?
A submarine dives 155.0 m at an angle of 12.0? below the horizontal. What is the horizontal component of the submarine's displacement?
How many cubic centimeters of an ore containing only 0.22% gold (by mass) must be processed to obtain $100 worth of gold?
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