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A 0.50-kg object is attached to an ideal spring of spring constant (force constant) 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. At what distance from the equilibrium position are the kinetic energy and potential energy of the system the same?
A large fish hangs from a spring balance supported from the roof of an elevator. What will the balance read if the elevator cable breaks
q1. one of the most powerful cranes in the world operates in switzerland. it can slowly raise a load of m 5000 tonnes
Three point charges are positioned on the x-axis: +117.0 uC at x = 0.00 cm, +106.0 uC at x = 40.0 cm, and -20.0 uC at x = 30.0 cm. What is the magnitude of the electrostatic force
A block of unknown mass is attached to a spring of force constant5.00 N/m and undergoes simple harmonicmotion and an amplitude of 10.0 cm. Determine the maximum acceleration of the block
Calculate and compare the electron densities of a piece of aluminum 1 cm thick and a piece of iron of the same density thickness. Show your work & please be sure to compare.
A 73-kg boy is surfing and catches a wave which gives him an initial speed of 1.6 m/s. How much nonconservative work was done on the boy
The figure above shows a 13-cm-diameter loop in three different magnetic fields. The loop's resistance is 0.10 . For each case, determine the induced emf, the induced current, and the direction of the current.
Protons move in a circle of radius 6.00cm in a0.553-T magnetic field. What value of electric field could make their paths straight? Express your answer using three significant figures and include the appropriate units.
When a single person shouts at a football game, the sound intensity level at the center of the field is 59.9dB. When all the people shout together, the intensity level increases to 111dB.
A bicycle being repaired is turned upside down, and one wheel isrotated at a rate of 60 rpm, how many revolutions does it make during this time
An 82.2 ohm and a 40.5 ohm resistor are connected in parallel. When this combination is connected across a battery, the current delivered by the battery is 0.304 Amp. Calculate the internal resistance of the battery
A large storage tank, open to the atmosphere at the top and filled with water, develops a small hole in its side at a point17.6m below the water level. Determine the speed at which the water leaves the hole
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