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An airplane sends out a radar pulse of frequency4.5x1010Hz. The signal returns to the plane 0.6 ms later. What is the wavelength of the wave? How far is the object that reflected the wave?
A rotating cylinder about 23 km in length and9.0 km in diameter is designed to be used as a space colony. With what angular speed must it rotate
A proton accelerates from rest in a uniform electric field of660 N/C. At some later time, its speedis 1.10 multiplied by 106 m/s. Find the magnitude of the acceleration of the proton. How long does it take the proton to reach this speed? How far ha..
In outer space, a baseball of mass m = 0.140 kg travels at velocity vi = (2.00 m/sec, 5.00 m/sec, 0); let the z-axis be up out of the plane of paper. calculate the average interaction force on the stick
A piece of string wraps around a cylinder 8 times. The length of the string is 14 cm. calculate the circumference of the cylinder.
how do the temperature of combustion and the temperatures of collant and exhaust affect the efficiency of automobile
Two railroad freight cars with masses 130 (Mg) and 170 (Mg) approach with equal speeds of 0.330 (m/s). What fraction of the original kinetic energy was lost in this inelastic collision
The blood flow rate through the aorta is typically 97 cm3/s, and a typical adult has about 5.2 liters of blood, what is the speed of blood as it flows through the aorta
The wave function of a standing wave on a string fixed at both ends is given by y(x,t)=0.02sin(0.3x)cos(25t), where y and x are in cm and t is in seconds. What is the wavelength of the standing wave
An electron moving along the x axis has a position given by x = 12 te-t m, where t is in seconds. How far is the electron from the origin when it momentarily stops
A particle known as a pion lives for a short time before breaking apart into other particles. Suppose a pion is moving at a speed of 0.993c, What is the lifetime according to a hypothetical person who is riding along with the pion
An ideal gas is enclosed in a cylinder with a movable piston on topof it. The piston has a mass of 8000 g and an area of 5.00cm2 and is free to slide up and down, keeping the pressure of the gas constant.
A 2.00 kg sphere is rotating about an axis through its center at 40.0 rev/s with the angular velocity in the +z direction. find the rate of change of the angular momentum of the sphere
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