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Two identical capacitors are connected in parallel to an ac generator that has a frequency of 580 Hz and produces a voltage of 24 V. The current in the circuit is 0.3 A. What is the capacitance of each capacitor?
The current in a 90.0-mH inductor changes with time as I = 1.00t2 %u2013 6.00t (in SI units). At what time is the emf zero
a frictionless pulley which can be modeled as a0.90 kg solid cylinder with a 0.34 m radius has a rope going over it. what is the angular acceleration of the pulley
A research submarine has a 10-cm-diameter window that is 8.5cm thick. What is the submarine's maximum safe depth in salt water
Speedboat A negotiates a curve whose radius is 152 m. Speedboat B negotiates a curve whose radius is 204 m. Each boat experiences the same centripetal acceleration. Illustrate what is the ratio vA/vB of the speeds of the boats?
A car traveling 56.1 km/h is 24.6 m from a barrier when the driver slams on the brakes. The car hits the barrier 1.72 s later. (a) What is the car's constant deceleration magnitude before impact? (b) How fast is the car traveling at impact?
A 55.6-kg ice skater is moving at 4.00 m/s when she grabs the loose end of a rope, Determine the force exerted by the horizontal rope on her arms
The aircraft carrier John F. Kennedy has mass 7.4 107 kg. When its engines are developing their full power of 280,000 hp, the John F. what is the magnitude of the force of water resistance
A car travels along a certain road at an average speed of 46.51 km/h, Calculate the average speed for the round trip
You use a spring (K=89N/m) to pull a 45kg box across the rough floor (μ=0.13). The spring stretches 3m. What is the horizontal acceleration of the box
A solenoid is wound with a single layer of copper wire of radius 0.480 cm. What is the inductance of the solenoid per unit length
The ac generator in a series RCL circuit has an rms voltage of 81.3 V. What is the rms current in the circuit
The Hall effect can be used to determine the density of mobile electrons in a conductor. Find the density of mobile electrons in the material
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