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A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.0 m, 4.0 m) while a constant force acts on it. The force has magnitude 2.0 N and is directed at a counterclockwise angle of 100" from the positive direction of the x axis. How much work is done by the force on the coin during the displacement?
A projectile is launched with an initial velocity of 37.3 m/s at 65.2o above the horizontal. Find the direction of the projectile velocity vector 2.05 seconds after launch
How much heat is required to raise the temperature of 0.265kg of water from 20.4 degrees C to 31.8 degrees C
A converging lens has a focal length on both sides of 20 cm. An object is placed to the left of the lens at 60 cm. The object is 12 cm in height. What is the image distance? What is the lateral magnification? What is the height of the image?
What is the average of the velocity squared in pure oxygen (O2) at standard pressure (1 bar) and concentration 0.001 mol/L? Give answer in (m/sec)^2
A series RLC circuit has a 140 kHz resonance frequency. What is the resonance frequency if the resistor value is doubled
A student constructs an astronomical telescope with a magnification of 10. If the telescope has a converging lens of focal length 50 centimeter, obtain the resulting length of the telescope
A liquid is used to make a mercury-type barometer. The barometer is intended for spacefaring astronauts. At the surface of the earth, the column of liquid rises to a height of 2185 mm, but on the surface of Planet X, where the acceleration due to ..
The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 3.85 m/s. If non-conservative forces,such as kinetic friction and air resistance, are negligible, what would be the height h of the highest point reached b..
An instructor wants to use a lens to project the real image of a light bulb onto a screen 1.23 m from the bulb. In order to get the image to be two times as large as bulb, what focal length lens will be required.
A sinusoidal wave travels along a stretched string. A particle on the string has a maximum velocity of 1.40 and a maximum acceleration of 250 . Part A What is the frequency of the wave? Part B What is the amplitude of the wave?
starting with the four maxwells equations for time-varying electromagnetic fields in either differential and integral
A spacecraft is traveling with a velocity of V0x=5480m/s along the+x direction. Two engines are turned on for a time of 842s.One engine gives the spacecraft an acceleration in the +x directionof ax=1.20m/s^2, while the other gives it an acceleration ..
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