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The experimental for an unknown spring is shown in the graph below which is a plot of the mass applied to a spring and its elongation.
1. What is the spring constant of this spring
2. What would be the elongation from the equilibrium position if a 1N weight is hung on the spring?
3. What would be the elongation from the equilibrium position if a 50 N weight is hung on the spring?
An N-turn square coil with side l and resistance R is pulled to right at constant speed v in the positive x-direction in the presence of a uniform magnetic field B acting perpendicular to the coil. At time t = 0, the right side of the coil is at the ..
A radio tuner is built by connecting an L=0.41mH inductor and variable capacitor in series with an antenna. The driving voltage is provided by the radiowaves that pass through the antenna, and the total internal resistance of the circuit is R=1.2O..
Meanwhile, Isaac is piloting his ship in the westward direction, also at 0.89, toward Albert's ship. With what speed does Isaac see Albert's light beam pass his ship.
A 5 kg ball hangs from the ceiling by a thread. The walls of the room are 5 m apart and they are made of metal, What is the charge on the ball
An electric motor under steady load draws 9.7 amperes at 110 volts; it delivers 0.93 kW of mechanical energy. The temperature of the surroundings is 300 K. What is the total rate of entropy generation Sg? What is its origin?
A 4.00 kg hollow sphere of radius 5.00 cm starts from rest and rolls without slipping down a 30.0 degree incline. If the length of the incline is 50.0 cm, then the velocity of the center of mass of the hollow sphere at the bottom of the incline is:
question1a line of charge starts at x x0 and extends to positive infinity. the linear charge density is lambda
A compound microscope has an objective lens of focal length 10.0 mm with an eyepiece of focal length 15.2 mm , and it produces its final image at infinity. How far from the objective lens is the first image formed
consider a 160 turn circular conducting coil with a radius of 15.4 cm. this coil rotates about an axis which passes
An aluminum wire has the same resistance as a copper wire of the same length. Find the ratio of the aluminum wire's diameter tothe copper wire's diameter.
A parallel plate capacitor consists of two square metal plates of dimension 10 cm by 10 cm. The plates are separted by a distance of .1 mm. how does the capacitance change
In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. What is the angular acceleration in the second training exercise
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