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The graph below is a plot of the vertical displacement y(0, t) versus time t for a sinusoidal wave moving in the positive x direction along a taut string with a wavelength of22.5 cm. Find the speed of the particle at x = 0 at time t = 1.6 s. (Indicate the direction with the sign of your answer.) cm/s
A thin spherical shell has a radius of 2.1 m and a mass of 360 kg, and its center is located at the origin of a coordinate system. What is the gravitational force of attraction between the two shells
A parallel-plate capacitor having square plates 4.50cm on each side and 8.00mm apart is placed in series with an ac source of angular frequency 620rad/s, What is the resonance angular frequency of this circuit
Find the intensity of the starlight at the Earth, Find the power of the starlight the Earth intercepts. One light-year is the distance traveled by the light through a vacuum in one year
in the bohr model of the hydrogen atom an electron in the 4th excited state moves at a speed of 1.37 105 ms in a
A tank of gasoline (n = 1.40) is open to the air (n = 1.00). A thin film of liquid floats on the gasoline and has a refractive index that is between 1.00 and 1.40. What is the refractive index of the film
Obtain grand mean and unadjusted means for the ANCOVA model where covariate, "xc", Treatment, "a", response, "y" are considered and calculate adjusted means given the estimates
What current is in the primary circuit. A proton moves at a speed of 8.0 103 m/s as it passes through a magnetic field of 0.55 T. Find the radius of the circular path. Note down that the charge carried by the proton is equal to that of the electron..
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 11 m/s at an angle 41 degrees; How high above the ground will the ball be when it gets to Julie
A baseball is hit upward and travels along a parabolic arc before it strikes the ground. Which one of the following statements is necessarily true? The acceleration of the ball decreases as the ball moves upward.
In a certain particle accelerator, a current of .5mA is caried by a 5-MeV proton beam that has a radius of 1.5 mm. Find the power consumption of the accelerator
You are standing at x = 8.5 km. Lightning bolt 1 at x=0 km and lightning bolt 2 at x = 13.0 km. Both flashes reach your eye at the same time. what is the time difference between the two flashes
Common sports injuries result in the tearing of tendons and ligaments due to over stretching. how far must it be stretched from its relaxed length to tear it
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