Newest frictionless roller coaster at six phlags
Take a ride on the Physics Phantasm, the newest frictionless roller coaster at Six Phlags. The ride starts off from rest with a steep drop from 41.0 m up, followed by a vertical loop on a track with radius 10.8 m.
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Relative to the ground, what is the gravitational potential energy of a 62.0 kg person who is at the top of the Sears Tower, a height of 443 m above the ground?
A 47.0 g golf ball is driven from the tee with an initial speed of 52.0 m/s and rises to a height of 25.2 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point.
What are the spectator ions in the solution after the complete neutralization reaction occurs when mixing HI (strong acid) andNH4OH (weak base)?
A model-train transformer plugs into 120-V ac and draws 0.30 A while supplying 8.5 A to the train. Part A: What voltage is present across the tracks? Assume 100% efficiency.
When solutions containing 25 g each of lead(II) nitrate and potassium iodide are mixed, a yellow precipitate results.
Find the force necessary to start the crate moving, given that the mass of the crate is 32 and the coefficient of static friction between the crate and the floor is 0.57.
Find a 95% confidence interval for the percentage of the public that favors drug tests for professional athletes. Upon what assumptions is your confidence interval in part a) based?
Calculate th enumber of moles of sodium bicarbonate originally present in the unknown mixture in question 2, knowing that 15.0 ml of 0.100 M HCl were used in the titration, using methyl orange as the indicator.
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