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Suppose you are trying to turn a stubborn bolt using a wrench. You exert a force F perpendicular to the end of the wrench with a length of 8" and the bolt does not move. Frustrated, you borrow your neighbor's wrench extender, which increases the length to16". You then exert the same force F perpendicular to the end of the extended wrench and the bolt begins to rotate! Explain (in 2-3 sentences) why this adjustment worked using the concept of torque and its properties.
some sliding rocks approach the base of a hill with a speed of 17.0 . the hill rises at 41.0 above the horizontal and
To make a simple microscope a student places two converging lenses of +20 D at opposite ends of a 34 cm long tube. How far should an object be placed from the objective lens
Decide the electric field strength at a point 1.00 cm to the left of the middle charge shown in Figure P15.10. If a charge of -2.70 µC is placed at this point, what are the magnitude and direction of the force on it?
A narrow beam of light is incident normally on one face of equiangular glass prism of RI 1.45. Find the refractive index of this liquid and draw a diagram showing the path of rays
In approximately 500-700 words write your review of the film, Swimming Upstream. Your text type/form of discourse will be a combination of argument and information.
The radiation emitted by the primordial fireball of the big bang had a blackbody spectrum corresponding to about 3000 K. We can still see this radiation but now it has a spectrum corresponding to about 2.7 K. 1. What is this radiation called and why ..
A parallel-plate capacitor is designed so that the plates can be pulled apart. What is the potential difference between the plates
The verical displacement of a string is given by y(x,t)=(6.00 mm) cos[(3.25m^-1)x-(7.22s^-1)t]. What is the speed of the wave
Unpolarized light of intensity I0 is incident on the following arrangements of polarizing sheets. The first polarizer is oriented vertically; the second is oriented so it makes an angle of 30o by the vertical; the third and last polarizer makes an an..
For the video game problem above, determine the output current if the input current is 0.1 A. Determine the resistance of this device. Show your Work.
A solid disk of radius 7.50 cm and mass 1.25 kg, which is rolling at a speed of 1.50m/s , How long will it take for the disk to come to a stop
What conclusions can you draw about the material requirements of manufacturing small spherical lenses for use in personal electronic devices?
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