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An airplane is flying at an elevation of 5150 ft,directly above a straight highway. Two motorists are driving cars onthe highway on opposite sides of the plane, & the angle of depression to one car is 35 and the angle of depression to the other is 52. How far apart are the cars?
A guitar string with a mass of 10.0 g is 1.00 m long and attached to the guitar at two points separated by 61.6 cm. find the frequency of the replacement string's first harmonic
Red light of wavelength 633nm from a helium-neon laser passes through a slit 0.350mm wide. The diffraction pattern is observed on a screen 3m away.
A physics book slides off a horizontal table top with a speed of 1.00m/s. It strikes the floor after a time of 0.390ss, Find the height of the table top above the floor
A 60 kg man is riding on a 30 kg cart traveling at a speed of 2.7 m/s. He jumps off with zero horizontal speed relative to the ground. What is the resulting change in the cart's speed
Two narrow slits are illuminated by a laser with a wavelength of 581nm. Calculate the distance between the two slits
How thick should the air layer be between two flat glass surfaces if the glass is to appear bright when 530 light is incident normally.
Knowing the sign of the work done on an object is a crucial element to understanding work. Positive work indicates that an object has been acted on by a force that tranfers energy to the object, thereby increasing the object's energy. Negative wor..
A bullet of mass mb is fired horizontally with speed v1 at a wooden block of mass mw resting on a frictionless table. The bullet hits the block and becomes completely embedded within it. After the bullet has come to rest within the block, the bloc..
A planet orbits a star once every 2.99 107 s in a nearly circular orbit of radius 1.42 1011 m. With respect to the star, determine the angular speed of the planet
q1. a superconducting solenoid is to be designed to have an interior field of b 29t with a maximum current of i1000a.
a 500 omh resistor and a real inductor with a pure inductance L and an internal resistance of r are in series with a generator with a voltage of V = 10.0V, What are the values of L and r
A string under a tension of 49.0 N is used to whirl a rock in a horizontal circle of radius 2.40 m at a speed of 20.8 m/s on a frictionless surface, What is the breaking strength, in newtons, of the string
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