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What is the difference between series and parallel circuits? Specify in wordsand algebraic formula, if possible, the relationships between current, voltage, and resistance in each type of circuit.
A thin, 70.0g disk with a diameter of 7.50cm rotates about an axis through its center with 0.270J of kinetic energy
A future geosynchronous space station will be used to collect solar energy. The energy is transmitted back to earth as an electromagnetic beam. how large are the station's solar panels, assume 100% efficiency
two copper wires of the same gauge, one has a length L and the other twice that. If the first wire has a resistance R, what is the resistance of the second wire
Water is pumped steadily out of a flooded basement at a speed of 4.6 m/s through a uniform hose of radius 1.4 cm. What is the power of the pump
A uniform 450N and 7m long ladder rests against a smooth wall making a 30degree angle with wall. A 750 N man can climb up to 2.75m up the ladder before it begins to slip. what is the frictional force on the ladder on the floor
A 29 g rifle bullet travelling 270 m/s buries itself in a 3.50 kg pendulum hanging on a 2.6 m long string, which makes pendulum swing upward in an arc. Find out the horizontal component of the pendulum's displacement.
A particle has a de Broglie wavelength of 3.20 × 10-10 m. Then its kinetic energy doubles. What is the particle's new de Broglie wavelength
The inner radius of a bone is half the outer radius. What would the outer radius of the bone be if, for a given torque, it were to twist through the same angle as a steel rod of the same length with a 1-cm radius? (the polar moment of inertia of a ho..
You've been given the task of designing a "water couch"-that one could lie on, floating on a lake, What minimum volume must the slab have so that a 45 kg teenager can lie on top of the slab without getting wet
A certain ideal gas has a molar specific heat at constant volume CV = 7R/5. What is its molar specific heat at constant pressure
The two stars in a binary star system have masses 1.9 x 10^30kg and 6.1 x 10^30kg. What is the speed of the heaviest star
Consider the particle that is constrained to move along a curve described by y = x4. Find the equation of motion for small displacement about equilibrium
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