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Consider a wave propagating in the negative x-direction with frequency f = 100 Hz. At t = 5 sec the displacement associated with the wave is given by
y(x, t = 5)= 0.5 cos(0.1 x) where x and y are measured in centimeters and t in seconds. Obtain the displacement y(x,t).
What are the wavelength λ and velocity y associated with this wave?
A uniform electric field with a magnitude of 5650 N/C points in the positive x direction. Obtain the change in electric potential energy when a +16.0 μC charge is moved 4.50 cm in the negative x direction
Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. Determine the astronaut's orbital speed
A uniform diving board is 5.00 meters in length and weighs 100 Newtons. It is supported by two posts separated by 1.50m. What are the force exerted on the posts
A 50.0g thermometer is utilized to gauge the temperature of 130mL of water. The specific heat of the thermometer, which is mostly glass, is 750J/(kgK), and it reads 18.0?C while lying on the table. After being completely immersed in the water, the th..
A 63 ohms resistor, an 8.4 uF capacitor, and a 36 mH inductor are connected in series in an ac circuit. Calculate the impedance for a source frequency of 300Hz
What is the tension T2 in the left-hand cable slanted at an angle of θ2 with respect to the wall? Illustrate what is the angle θ2 which the left-hand cable makes with respect to the ceiling?
Assume light coming from the air strikes a rectangular slab of material with index of refraction 2.5 and incident angle 60 degrees. At what angle from the normal will it leave the other side of the material?
A 500 gram steel block rotates on a steel table while attached to a 2.0 meter long mass less rod. Find what is the tension in the rod after 10 rev
A 70 m3 incompressible box is completely submerged in a fluid. What volume of fluid is displaced by the box if the fluid is... air? The density of air is 1.2kg/m3.
A steel wire of length 1.98m with circular cross section must stretch no more than 0.220cm when a tensile (stretching) force of 360N is applied to each end of the wire
Two people carry a heavy electric motor by placing it on a light board 2.50m long. One person lifts at one end with a force of 440 N , Where along the board is its center of gravity located
What is the mass of nitrogen in an nitrogen tank at 20C if the tank has a volume of 0,20m^3 and nitrogen pressure in the tank is 4,0 x 10^6 N/m^2
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