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A spherical ball of radius r experiences a resistive force F due to the air as it moves through the air at speed v. The resistive force F is given by the expression F = crv, where c is a constant. Derive the SI base unit of the constant c.
q. a motorcycle is traveling up one side of a hill and down the other side. the crest of the hill is a circular arc
A steel wire of length 1.7 m anddiameter 1.10 mm is joined to analuminum wire of identical dimensions to make a composite wire oflength 3.4 m. Find the resulting change in length of this composite wire
The Trans-Alaskan pipeline is 1300 km long, reaching from Prudhoe Bay to the port of Valdez, and is subject to temperatures ranging from -69°C to +36°C. How can one compensate for this expansion
The speed of a transverse wave on a string is 435 m/s, while the wavelength is 0.160 m. The amplitude of the wave is 1.60 mm. How much time is required for a particle of the string to move through a total distance of 1.01 km?
What is the magnitude of the magnetic forces on each of three sides?
Your strange physics professor builds an unusual scale by hanging an object from a 2.0m long wire attached to the ceiling. He plucks the string just above the object and finds that the pulse take 0.40s to propagate up and down the wire. The mass o..
What is the size of an object located at a distance10 km if it has an angular size A of 2 degrees. and Use hubbles law to determine the distance to a galaxy cluster in megaparsecs with a rescession velocity of 14,200 km/sec.
A transverse wave has a frequency of f = 26 Hz and a wavelength of λ = 11 m. The wave obtains a maximum displacement of ym = 2.2 m and propagates in the -x direction. Given the form y(x,t) = A sin(B) for the displacement of the wave, input an express..
Neither B nor C may cross the membrane. Because the membrane is Flexible, equilibrium is achieved when the pressures on both sides of the membrane are equal. What is the Final value V f 1 of volume 1?
A wire of unknown material has a cross-sectional area 7 mm2 and length 15 cm. What is the resistivity of the unknown material
The x position of (a) is 8.6 m. The y position of (b) is 8.68 m. The wave travels at a speed of 3.2 m/s. What is the amplitude of the wave?
Why is optical pyrometry commonly used above the gold point and not below it? What objects typically have their temperatures measured in this way?
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