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Five identical particles of mass m = 0.30 kg are mounted at equal intervals on a thin rod of length scripted l = 1.13 m, find the angular momentum of the system
A hollow cone (like a party hat) has vertex angle 2?, slant height L, and surface charge density ?. It spins around its symmetry axis with angular frequency ?. What is the magnetic field at the ti
Using Newton's laws find the normal force on the object. Determine the force of kinetic friction on the object
A 110 turn square wire coil of area 0.040 m2 rotates about a vertical axis at 1700 rev/min, Calculate the maximum emf induced in the coil by the Earth's field
A softball of mass 0.200kg that is moving with a speed of 7.0m/s collides head-on and elastically with another ball initially at rest, Calculate the mass of the target ball
Scientists in a laboratory produce a sound wave in a simulated environment (air) with a velocity of 448 m/s. What is the temperature (in Kelvin) of the environment
A 405 Hz sound wave travels through a substance. The wavelength of the sound wave is measured to be 2.7 meters. What is the speed of sound in the substance
A high-pass RC filter is connected to an AC source with a peak voltage of 18 V. The peak capacitor voltage is 5.27 V
A cylindrical iron wire of length 16 m is connected to the terminals of a .3 V battery. What is the diameter of the wire, in mm
A 300-g mass at the end of a Hookean spring vibrates up and down in such a way that it is 2.0 cm above the tabletop at its lowest point and 16 cm above its highest point, Determine the amplitude of
A resistor with 790? is connected to the plates of a charged capacitor with capacitance 4.26?F, What is the electrical power dissipated in the resistor just after the connection is made
A small, 300 g cart is moving at 1.10 m/s on an air track when it collides with a larger, 4.00 kg cart at rest, What is the speed of the large cart after the collision
A 2.00-kg package is released on a 53.1° incline, L = 3.93 m from a long spring with force constant 120 N/m, What is the maximum compression of the spring
A -49nC charge is distributed uniformly along the x-axis from x= -1.2m to x= 4m. Consider a point at y= 1.9m on the y-axis, What is the total magnitude of the electric field at the point
A thin 11-cm-long solenoid has a total of 440 turns of wire and carries a current of 1.9A, Calculate the field inside the solenoid near the center
Three charges are at rest on the z axis: q1 = ?6.41 mC at z = 3.60 m, q2 = ?1.20 mC at z = 0 m, What is the potential energy of this system
A vertical straight wire carrying an upward 21-A current exerts an attractive force per unit length of 8.3×10?4N/m, What is the magnitude of the current in the second wire
The 54-MW wood-fired McNeil Generating Station in Burlington, Vermont, produces steam at 950 ?Fto drive its turbines, Find McNeil's maximum thermodynamic efficiency
Two non-conducting infinite planes of uniform surface charge ?1 = 13.11 µC/m2 and ?2 = ?3.5 µC/m2 are parallel to each other and d = 0.129 m apart, What is the electric field outside the
A 15 kg child sits on the edge of at 2 m radius, 200 kg merry go round. A father as been getting a little carried away, What is the final angular velocity of the merry go round
A battery with an emf of 12.0 V shows a terminal voltage of 11.0V when operating in a circuit with two lightbulbs rated, What is the battery's internal resistance
When resistors 1 and 2 are connected in series, the equivalent resistance is 21.4 ?. When they are connected in parallel, the equivalent resistance is 4.08
The working substance of an engine is 1.00 mol of diatomic gas. The engine operates in a cycle consisting of three steps, Find the efficiency of this cycle
What is the potential energy of an electron that is 59.0 cm from a charge of 33.5 nC, How much work is required to move the electron very far from the charge
Two capacitors, one 17.5 ?F and the other 12.2 ?F are connected in series across a 15 V battery. What is the charge stored on the 12.2 ?F capacitor