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A bob of mass m is suspended from a string of length L, forming a pendulum. The period of this pendulum is 2.6 s. If the pendulum bob is replaced with one of mass 1/3m and the length of the pendulum is increased to 2L, what is the period of oscillation?
s
The resistance of a copper wire of length L meter is 0.1 ohms. If the diameter of the wire is 0.045cm, find out its specific resistance.
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of -0.6020 N when separated by 50 cm, center-to-center.
A 40 turn coil of radius 5.4 cm rotates in a uniform magnetic field having a magnitude of 0.49 T. find the magnitude of the maximum torque exerted on the coil
As a bar magnet moves toward a 150-turn coil, the magnetic field (which is perpendicular to the plane of the coil) changes from 0.25 T to 0.53 T in 0.3 s. find the magnitude of the induced current in the coil
q1. if the focal length of the concave lens is -7.50 at what distance from the lens must an object be placed so that
What is the frequency of the waves?
Two identical small metal spheres are separated by 1.00 x 10^5 m and exert an 18.9 N repulsive force on each other, determine the charges of the spheres before the connection
A bungee jumper (m = 66.00 kg) tied to a 48.00 m cord, leaps off a 78.00 m tall bridge. What size impulse is exerted on the bungee jumper while the cord stretches
How much charge can be placed on a capacitor with air between the plates before it breaks down if the area of each plate is 6.00 cm2
A capacitor is a device used in a variety of electronic circuits. In a simple design a capacitor consists of two parallel metal plates of area A separated by a distance d. When the plates are connected to the positive and negative terminals of a b..
Squaw Valley ski area in California claims that its lifts can move 48300 people per hour. estimate the maximum total power needed
The yellow light from a helium discharge tube has a wavelength of 587.5 nm. Calculate the number of lines per centimeter on the grating
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