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A sinusoidal transverse wave is traveling along astring in the negative direction of an x-axis. The figure shows aplot of the displacement as a function of position at time t=0; they-intercept is 4.0 cm. The string tension is 7.1N, and its linear density is 197.22 g/m. Find the Wavelength and wave speed.
A spinning flywheel has rotational inertia I = 403.9 kg · m2. What is the frictional torque acting
A uniform steel bar swings from a pivot at one end with a period of 1.3s. How long is the bar
At some point in its orbit, our asteroid is moving with a speed of 20 kilometers per second. Determine the kinetic energy of the asteroid
question1the relatively high resistivity of dry skin about can safely limit the flow of current into deeper tissues of
An AC generator supplies an rms voltage of 115 V at 50.0 Hz. It is connected in series with a 0.500 H inductor, What is the rms current through the resistor
An electron has an initial velocity of 4.9 • 106 m/s in a uniform 1.9 • 105 N/C strength electric field. How far does the electron travel before coming into rest in m
A 17cm radius air duct is used to replenish the air of a room 7.1 m x 5.2 m x 4.5 m every 16 min. How fast does air flow in the duct
A hare and a tortoise compete in a race over a straight course 0.90 km long. The tortoise crawls at a speed of 0.300 m/s toward the finish line, For how long in time was the hare stationary
A uniform disk with radius 0.370m and mass 30.5kg rotates in a horizontal plane on a frictionless vertical axle that passes through the center of the disk. What is the resultant linear acceleration of a point on the rim of the disk
A charge of -6 nC is at the origin and a second charge of 11.0 nC is at x = 5.0m. Find the magnitude and direction of an electric field halfway in between the two charges.
The altitude of a hang glider is increasing at a rate of 6.79 m/s. At the same time, Calculate the magnitude of the glider's velocity
A 75 kg person is standing in an elevator that is moving upwards at 0.5m/s and accelerating downwards at 0.2 m/s2. What is the normal force of the elevator floor acting on the person
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