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Two waves traveling in opposite directions along a string fixed at both ends create a standing wave described by y(x, t) = 0.01 sin(36x)cos(1090t). The string has a linear mass density of 0.01 kg/m, and the tension in the string is supplied by a mass hanging from one end. If the string vibrates in its third harmonic, calculate the following.
a) the length of the string
b) the velocity of the waves
c) the mass of the hanging mass
Astronomers have discovered a planetary system orbiting the star Upsilon Andromedae, which is at a distance 4.2 multiplied by 1017 m from the earth. One planet is believed to be located at a distance of 1.6 1011 m from the star.
A 1.00uF capacitor is connected in parallel with a 2.00uF capacitor, Find the potential on the negative plate of the 1.00uF caacitor and the equivalent capacitance of the two capacitors
A whale comes to the surface to breathe and then dives at an angle of 20 degree below the horizontal.
A 0.360 kg pendulum bob passes throughthe lowest part of its path at a speed of 3.80 m/s. What is the tension in the pendulum cable when the pendulumreaches its highest point
Three uniform spheres are located at the corners of anequilateral triangle. Each side of the triangle has a length of 1.2m. what is the magnitude of the initial acceleration of the third sphere
q.what is the magnitude of the apparent weight of a 84 kg astronaut 4800 km from the center of the earths moon in a
A golfer imparts a speed of 29.2 m/s to a ball, and it travels the maximum possible distance before landing on the green. The tee and the green are at the same elevation. How much time does the ball spend in the air?
Consider the posiblity of making a LED from diamond by constructing a pn junction from a diamond doped with boron and a diamond doped with phosphorus. Estimate the wavelength of the light emitted.
A meter stick is supported on a fulcrum at the 35 cm mark. A 0.70 kg object is hung from the zero end of the meter stick, What is the mass of the meter stick
An object of mass 15 kg falls from a height of 8.0 m above the ground. What will be its speed and kinetic energy when it hits the ground
A 300g bird flying along at 5.6 m/s sees a 10 g insect heading straight toward it with a speed of 33 m/s, What is the bird's speed immediately after swallowing
High-voltage power lines are a familiar sight throughout the country. What is the resistance of ten kilometers of this wire
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