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A(n) 331 g object is attached to a spring and executes simple harmonic motion with a period of 0.294 s. The total energy of the system is 1.7J. Find the force constant of the spring. (N/m) Find the amplitude of the motion (in cm)
A long straight wire carrries a current I1 of 15 A. A rectangular coil with two sides parallel to the straight wire has sides 5 cm, what is the net force of the coil
A steam engine has a boiler that operates at 4.90 102 K, If 3.50 103 J of energy is supplied from the boiler, find the work done by the engine on its environment
A uniform solid disk of mass m = 3.04 kg and radius r = 0.200 m rotates about a fixed axis perpendicular to its face with angular frequency 5.93 rad/s. Calculate the magnitude of the angular momentum of the disk
Calculate the speed of block at the instant the dielectric leaves the capacitor assuming it starts at rest and that the voltage across capacitor after the dielectric is removed is measured to be 200 V.
A 0.54-kg particle has a speed of 2.0 m/s at point A and kinetic energy of 7.5 J at point B. What is its speed at point b
An air-filled toroidal solenoid has a mean radius of 10.0 cm and a cross-sectional area of 7.00 cm^2. How many turns does the winding have
A 1700 kg car travelling at a speed of 15m/s skids to a halt on wet concrete where f_k =.5. How long is the cars skid marks.
An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp. How far (in km) must he now travel to reach base camp
Find the speed of the waves on an 800.0 mg violin string 21.7-cm long if the fundamental frequency is 912.0 Hz. find the wavelength of the sound waves emitted by the string
Find the force to keep object moving.
A passenger on a moving train tosses a coin with an initial velocity of -2.25 m/s x + 3.58 m/s y, What is the minimum speed of the coin relative to the ground during its flight
The charged plates of a parallel plate capacitor each have a charge density of ? C/m2. compute the electric field between the plates
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