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The Atwood machine in the figure consists of masses m1 = 1.20 kgand m2 = 1.05 kg and a solid pulley with a diameter of 6.1 cm and amass mp = 0.606- kg. When released from rest, what is the speed of the heavier mass after it has fallen a distance of1.05 m? Treat the pulley as a uniform disk.
At a large business, employees must report to work at 7:30 A.M. The arrival times of employees is approximately symmetric and mound-shaped with mean 7:22 A.M. and standard deviation 4 minutes.
Two billboard workers stand on a 5.0 m scaffold supported by ropes at each end. what is the tension in each of the two ropes
Review Conceptual Example 8 before solving this problem. Suppose unpolarized light of intensity 251 W/m2 falls on the polarizer in the figure, and the angle in the drawing is 25.0°. What is the light intensity reaching the photocell?
a fully charged 7.1uf capacitor is connected in series with a 2.0times105 omega resistor. what percentage of the
a 1.80cm x1.80cm parallel-plate capacitor has a 2.10mm spacing. the electric field strength inside the capacitor is
A diver running 2.7 m/s dives out horizontally from the edge of a vertical cliff and 2.0s later reaches the water below? how far from its base did the diver hit the water
A 3.00 and a 6.00 capacitor are connected in parallel, and this combination is connected across a 46.0 potential difference. Calculate the charge on first capacitor. Calculate the charge on second capacitor. Calculate the potential difference across ..
The force on a wire is a maximum of 4.00*10^-2N when placed between the pole faces of a magnet. The current flows horizontally to the right and the magnetic field is vertical. what force will it now feel
Imagine that you swing about your head a ball attached to theend of a string. The ball moves at a constant speed in a horizontal circle. What centripetal force are you imparting to the ball via the string
The displacement of an object moving under uniform acceleration is some function of time and the acceleration. Suppose we write this displacement as s=ka^mt^n, where k is the dimensional constant. Show by dimensional analysis that this expression ..
Water flows over Victoria Falls, which is 128 m high, at an average rate of 1.30 106 kg/s. how much power would be produced by these falls
The eyepiece of a compound microscope has a focal length of 2.60 cm , and the objective lens has = 0.760 cm. calculate the distance between the lenses when the microscope is adjusted for a relaxed eye
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