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To tighten a bolt, you push with a force of 78 N at the end of a wrench handle that is 0.27 m from the axis of the bolt. What torque are you exerting? Answer in units of N · m; If you move your hand inward to be only 0.11 m from the bolt, what force do you have to exert to achieve the same torque? Answer in units of N
A laser beam of unknown wavelength passes through a diffraction grating having 5460lines/cmafter striking it perpendicularly. At what angle will the next pair of bright spots occur
Two tugboats pull a disabled super tanker. Each tug exerts constant force of 1.20 multiplied by 106 N, one 19° west of north and the other 19.0° east of north, as they pull the tanker 0.69 km toward the west. What is the total work they do on supe..
Changes in wind and tide made average speed on return trip 3 mph slower than the speed on the way out. If the total time of the trip took 9 hours find speed of both the going and the return trip.
The primary windings of a transformer, which has an 65% efficiency, are connected to 110 V ac. Calculate the current through the primary windings of the transformer
A plane first moves from the origin to point A located at 170 km in direction of 30 degree north of east after that it flies 150 km 20 degree west of north to point B finally it flies 195 km due west to point C. find the location of C from origin.
wo small metallic spheres, each of mass m = 0.220 g, are suspended as pendulums by light strings of length L, How long are the strings
In a semiclassical model of the hydrogen atom, the electron orbits the proton at a distance of 0.053 nm. What is the electron's potential energy
A 75.0 kg patient is running a fever of 105°F and is given an alcohol rub to lower the body temperature. determine the mass of alcohol necessary to lower the body temperature down to 102°F
A defibrillator consists of a 17.0-µF capacitor that is charged to 8.5 kV. What is the average power delivered to the tissues
A farsighted man uses eyeglasses with a refractive power of 1.90 diopters. Wearing the glasses 0.03 m from his eyes, What is the correct contact lens prescription, in diopters
The three charged particles in the figure below are at the vertices of an isosceles triangle (where d = 3.80 cm). calculate the electric potential at point A, the midpoint of the base
Calculate the amount of work (in electron-volts) it would take to move an electron from 11.6 to 13.4 away from a +3.50 point charge.
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