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A small blob of putty of mass m=12 g falls from the ceiling and lands on the outer rim of a turntable of radius R= 20 cm and moment of inertia I0= 5 kg.m2 that is rotating freely with angular speed ?0 = 100 rev/s about its vertical fixed-symmetry axis. What is the post-collision angular speed of the turntable-putty system?
You are standing on a brigde that is 50.0 m above a dried up riverbed. what is the minimum spring constant that the bungee cord must have for you not to hit the riverbed
A cell membrane is composed of lipid molecules and is approximately 18 nm thick, what is the approximate capacitance of a spherical cell that has a diameter of 20 m?
A Carnot engine performs work at the rate of 480 kW as using 640 kcal of heat per second. If the temperature of the heat source is 540°C, at what temperature is the waste heat exhausted.
A parallel beam of light from a He-Ne laser, with a wavelength of 662nm, falls on two very narrow slits 0.050 mm apart. How far apart are the fringes in the center of the pattern if the screen is 2.5m away.
A 507g mass oscillates with an amplitude of 13.0 cm on a spring whose spring constant is 23.0 N/m. Determine the total energy
A spring with spring constant 19 hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. It is then pulled down 2.5 and released. The ball makes 33 oscillations in 15 seconds. What is its utmost speed.
Two equally charged insulating balls each weigh 0.10 g and hang from a common point by identical threads 30 cm long. What is the magnitude of the charge on each ball
A stone thrown horizontally from a height of 5.72 m hits the ground at a distance of 13.50 m. Calculate the speed of the stone as it hits the ground
What voltage must be applied to the 5.00 µF capacitor of a heart defibrillator to store 550 J in it? Find the amount of stored charge
While a certain rubber band is stretched a distance x, it exerts a restoring force of magnitude F=ax+bx^2, where a and b are constants. The work completed in stretching this rubber band from x=0 to x=L is what.
a 71 kg baseball lplayer jumps straight up to catch a line drive. If the 140 g ball is moving horizontally at 28 m/s and the catch is made when the ball player is at the highest point of his leap what is his speed immediately after stopping the ba..
A car of mass 1530 kg traveling at 24 m/s is at the foot of a hill that rises 110 m in 3.8 km. Find the average power delivered by the car's engine
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