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A 46-cm-long wire with a mass of 10.5 g is under a tension of 52.0 N. Both ends of the wire are held rigidly while it is plucked.
(a) What is the speed of the waves on the wire?
(b) What is the fundamental frequency of the standing wave?
(c) What is the frequency of the third harmonic?
A vertical solid steel post 25 cm in diameter and 3.50 m long is required to support a load of 7100 kg. You can ignore the weight of the post. What is the strain in the post
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A tungsten wire has a radius of 0.089 mm and is heated from 20.0 to 1362 oC, When 100 V is applied across the ends of the hot wire, a current of 1.8 A is produced
A vessel whose walls are thermally insulated contains 2.00 of water and 0.550 of ice, all at a temperature of 0.0. The outlet of a tube leading from a boiler in which water is boiling at atmospheric pressure is inserted into the water.
A 3 kg block slides along a frictionless surface at 1.0 m/s. A second block, sliding at a faster 5.0 m/s, What is the mass of the second block
An object weighs 294N in the air. When tied to a string, connected to a balance, and immersed in water, it weighs 240N. When it is immersed in oil, it weighs 258N.
A 4.5- kg block oscillates with an amplitude of 0.070 m on a light spring of constant k = 29.0 N/m. What is the maximum value of the block's velocity
In a certain RL time constant circuit, it takes 135 msec for the current to reach maximum after the switch is closed.
the electric flux is 300Nm^2/C through two opposing faces of a 2cm x 2cm x 2cm box. How much charge is inside the box
Throughout a nuclear reactor accident, 570 m3 of water at 20o C is pumped into the reactor core which is producing heat at the rate of 250 MW. If the water is allowed to boil at normal atmospheric pressure how long would it take to boil away all this..
How much work did the movers do pushing a 160 kg crate 10.3 m across a rough floor without acceleration, if the effective coefficient of friction was 0.50.
A 17.6kg dog is running northward at 2.87m/s , while a 6.33kg cat is running eastward at 3.99m/s. Find the direction of the owner's velocity
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