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Two separated weights, the first at 4.0 kilogram, the second at 6.0 kilogram, are connected by a cord running through them and on over the side of a horizontal table, and this cord is connected to a third weight (98 Newton) hanging over the side of the table. Obtain the acceleration and tension in the cord just before it reaches the pulley at the right of the corner of the table (just to the left of the pulley on the right hand side), if µk =0.35.
a horizontal wire of length 0.58 m carrying a current of 2.5 a is placed in a uniform external magnetic field. when the
A 1.2 kilogram piece of cheese is placed on a vertical spring of negligible mass and a force constant of 1800 N/m. Find what is the length of compression of the spring
calculate and compare the electron densities of a piece of aluminum 1 cm thick and a piece of iron of the same density
A steel washer is suspended inside an empty shipping crate from a light string attached to the top of the crate. The crate slides down a long ramp that is inclined at an angle of 39 degrees above the horizontal. The crate has mass 244 kg .
What is the intensity level in decibels for a sound with an intensity of 2.35×10-4 W/m2, What is the intensity for a sound with an intensity level of 79.9 dB
The froghopper, Philaenus spumarius, holds the world record for insect jumps. When leaping at an angle of 58.0 above the horizontal, some of the tiny critters have reached a maximum height of 52.7 above the level ground. What was the takeoff speed..
A block of aluminum with mass 10.0 g absorbs 176 calories of heat energy as it is heated from 20.0 oC to 100. oC. How much heat does the aluminum release
A capacitor has plates that are located .08 meters from each other with air as the material between the plates, Find the force exerted on the plates of the capacitor
An 8.30 kg stone at rest on a spring. The spring is compressed 11 cm by the stone. The stone is after that pushed down an additional 26.00 cm and free. To what highest height (in cm) does the stone rise from that position.
You wish to design a telescope using an objective lens with f(objecive) = 0.75 m. If you use an eyepiece with a magnification of 20, what is the length of the telescope
A hydrogen atom is in the inital state ni = n, where n > 1. Find the frequency of the electron's orbital motion
Consider a particle of mass that is revolving with angular speed around an axis. The perpendicular distance from the particle to the axis is . Part A Find the kinetic energy K of the rotating particle. Express your answer in terms of m, r, and omega.
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