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Question: A uniform ladder of mass (m) and length (L) leans against a frictionless wall. If the coefficient of static friction between the ladder and the ground is 0.51, what is the minimum angle (theta) between the ladder and the floor at which the ladder will not slip.
In an experiment 70 gram of ice at 0 degrees Celsius is dropped into 300 gram of water at 50 degrees Celsius. what is the final temperature of thermal equilibirium
A 1.0-kg ball has a velocity of 12 m/s downward just before it strikes the ground and bounces up with a velocity of 12 m/s upward. What is the change in momentum of the ball
The centers of a 7.0 lead ball and a 110 lead ball are separated by 6.0. What gravitational force does each exert on the other
A football is kicked 50.4 meters. If the ball is in the air 4.54 s, with what initial velocity was it kicked
A circuit contains six 290 lamps and a 18 heater connected in parallel. The voltage across the circuit is 120V. If the circuit has a 11A fuse, will the fuse melt if all the lamps and the heater are on.
Tarzan has foolishly gotten himself into another scrape with the animals and must be rescued once again by Jane, What is Jane's (and the vine's) angular speed just before she grabs Tarzan
The Red Shift is evidence of an expanding Universe. A star like our Sun has a peak wavelength of 518 nm. If the star appeared to have a peak wavelength of 530 nm, find the rate of expansion (velocity) between that star and our Sun.
A car traveling at 30 m/s runs out of gas while traveling up a 20° slope. How far up the hill will it coast before starting to roll back down
A infinitely long metal pipe of square cross section, with side length a, has two of its side that are opposite each other held at a constant potential V_0. The remaining two sides, that are also opposite each other, are grounded. Find the potential ..
A cubic metal box with sides of 18 cm contains air at a pressure of 1 atm and a temperature of 311 K. Find the force due to the internal air pressure on each wall
A pitcher claims he can throw a 0.159-kg baseball with as much momentum as a 3.30-g bullet moving with a speed of 1.50 103 m/s. What must the baseball's speed be if the pitcher's claim is valid
Suppose unpolarized light of intensity 244 W/m2 falls on the polarizer in the figure, and the angle in the drawing is 36.0°. What is the light intensity reaching the photocell
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