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A wave travels on a string at 60m/s. A second string of 20 percent greater linear density has the same tension applied as in the first string. What will be the resulting wave speed in the second string?
Find the strength of the magnetic field that causes a torque of 2.09 × 10-5 N·m to act on the loop when a current of 0.00361 A flows in it
A flat stack of two materials, the first of index of refraction 1.52 and thickness 2 mm, and the second of index of refraction 1.63, What is the size (radius) of the circle of light
A hockey puck is hit on a frozen lake and starts moving with aspeed of 10.7 m/s. Five seconds later,its speed is 5.60 m/s. What is its average acceleration? What is the average value of the coefficient of kineticfriction between puck and ice?
a grandfather clock is controlled by a swinging brass pendulum that is 1.1 m long at a temperature of 25degc.a what is
two train whistles a and b each have a frequency of 392 hz. a is stationary and b is moving toward the right away rom a
The rocket above has an exhaust gas velocity of 2723 m/s and a burn rate of 5149 kg/s. If it has a mass of 1,000,000 kg what is its initial acceleration to two decimal places?
A solid cylindrical disk has a radius of 0.14 m. It is mounted to an axle that is perpendicular to the circular end of the disk at its center. What is the mass of the disk
Two atomic particles approach each other in a head-on collision. Each particle has a mass of 1.77 x 10-25 kg. The speed of each particle is 1.94 x 108 m/s when measured by an observer standing in the laboratory.
A light beam is incident on a piece of zircon (n = 1.923) at the Brewster's angle. determine the value of Brewster's angle
Determine the moment of inertia for three children weighing 64.0 lb, 43.0 lb and 83 lb sitting at different points on the edge of a rotating merry-go-round, which has a radius of 12 ft.
During 9.93 seconds a motorcyclist changes his velocity from v1,x = -37.3 m/s and v1,y = 14.1 m/s to v2,x =-21.9 m/s and v2,y = 29.3 m/s, Find the components of the motorcycle\'s average acceleration
A pipe carrying 20°C water has a diameter of 3.5 cm. Estimate the maximum flow speed if the flow must be streamline
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