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When the handle on a car jack moves 60 cm, the 10,000 N carmoves upward 1.2 cm. There is no friction. Find
(a) the work doneon the car,
(b) the force exerted on the jack handle,
(c) the mechanical advantage.
A friend advised the owner of the bowl to keep it out of direct sunlight to avoid blinding the fish, which might swim into the focal point of the parallel rays from the sun. Is the focal point actually within the bowl
A taut rope has a mass of 0.170 kg and a length of 3.55 m. What power must be supplied to the rope to generate sinusoidal waves having an amplitude of 0.110 m and a wavelength of 0.490 m, traveling with a speed of 31.0 m/s?
The pattern was recorded by using a neutron detector to measure the neutron internsity at different positions. determine how far the detector was behind the slits
A wire of length 0.72 m and cross-sectional area 2.7 cm2 is stretched elastically by an amount 1 cm. Calculate the work done in stretching the wire
A small compass is held horizontally, the center of its needle adistance of 0.120 m directly north of a long wire that isperpendicular to the earth's surface.
consider an electron with an initial speed v0 29 mms 1 mm 1 megameter 1000 km 1e6 m that is traveling parallel to
A pair of slits, separated by 0.150 mm, is illuminated by light having a wavelength of ? = 631 nm. What is the path difference d for the two slits at the location y
a particle is traveling along an arc of 6.5-in radius. the arc is the origin of a coordinate system. when the particle
A generator consists of 23 loops, each with an area of 0.010m^2 located inside a uniform magnetic field of 2.0T. What is the rms voltage
Bicyclists in the Tour de France do enormous amounts of work duringa race. How much work does he do during a 85 km race in which his average speed is11.0 m/s
A light string can support a stationary hanging load of 24.6 kg before breaking. What range of speeds can the object have before the string breaks
A 5.57-g bullet is moving horizontally with a velocity of +344 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resis..
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