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The wavelength of the laser beam used in a compact disc player is 549 nm. Suppose that a diffraction grating produces first-order tracking beams that are 1.2 mm apart at a distance of 2.9 mm from the grating. Estimate the spacing between the slits of the grating.
An inflated rubber balloon is rubbed with the wool cloth until an excess of 1.50 multiplied by 109 electrons is on the balloon. What is the magnitude of the charge on the balloon.
Two balls, of masses = 60 and = 70, are suspended. The lighter ball is pulled away to a 67 angle with the vertical and released. Suppose that the positive axis is directed to the right.
a series rlc ac circuit has resistance r = 200 ohms, inductance l = 0.500 H, capacitance c = 4.00 uf, frequency 60.0 hz, What are the maximum voltages across the elements
At a certain location, the horizontal component of the earth's magnetic field is 2.2 10-5 T, due north. Find the speed of the proton
A puck slides along the frictionless track shown in the figure with an initial speed of 7.40. Suppose the puck turns all corners smoothly, with no loss of speed.
A rifle bullet of mass 8.6 g is fired into a 1.23 kg block where it becomes embedded. what was the initial speed of the bullet
A uniform field E = -170000 j N/C exists between two plates of length L = 3 cm. Find the angle at which it emerges
A parachutist with mass 86.0 kg jumps from an airplane traveling at a speed vi=112 km/hr at a height H=2570 m. He lands with a speed of vf=5.21 m/s.
Sphere 1 with radius R1 has positive charge q. Sphere 2 with radius 8.0R1 is far from sphere 1 and initially uncharged. what fraction of qends up on sphere 1
Find the work function of the emitting surface and the wavelength of the second source. Determine the net work done on the piano.
A person who weighs 680 N is riding a 98-N mountain bike. Suppose the entire weight of the rider and bike is supported equally by the two tires. If the gauge pressure in each tire is 6.45 105 Pa, what is the area of contact between each tire and the ..
Find the acceleration of the aircraft and express it in multiples of g, free fall acceleration.
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