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The angular position of a pendulum is represented by the equation ? = 0.0310 cos ?t, where ? is in radians and ? = 2.68 rad/s. Determine the period and length of the pendulum.
Compute the final temperature using the ideal gas law and van der Waals equations of state. Assume that Cvm = 3/2 R and the van der waals parameters for Argon are a = 1.355 dm6bar/mol2 and b = 0.0320 dm3/mol.
An ideal polarizer with its transmission axis rotated 30.5 to the vertical is placed in a beam of unpolarized light of intensity 10 W/m ^2. After passing through the polarizer, what is the intensity of the beam
Explain by how much time is required for the bullet to reach the target? Using the approximate value of g = 10 m/s2, how far does the bullet fall in this time?
A galvanometer with a coil resistance of 11.0 and the full-scale current of 0.150 mA is used with a shunt resistor to make an ammeter. The ammeter registers the maximum current of 4.00 mA. Find the equivalent resistance of the ammeter.
An ocean liner leaves New York City and travels 39.0° north of east for 140 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the following directions.
If we assume uniform acceleration for both horses between A and C, find out the distance from A enough B.
A hollow non-conducting spherical shell has inner radius R1 = 8 cm and outer radius R2 = 15 cm. a) Write an equation for the radial electric field in the region r
A school yard teeter-totter with a total length of 5.2m and a mass of 36kg is pivoted at its center. A 19 kg child sits on one end of the teeter-totter.
The resistance of a 9 H inductor is 90.0 ohms, What is the final steady current in the circuit
A 13.6 kg object on a horizontal frictionless surface is attached to a spring with k = 519 N/m. find the initial potential energy of the block-spring system
An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 500-g sample of silver at an initial temperature of 85°C is placed in the water. Calculate the mass of the aluminum cup
An airplane is flying with a velocity of 95 at an angle of 19 above the horizontal. When the plane is a distance 111 m directly above a dog that is standing on level ground, suitcase drops out of luggage compartment.
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