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A string with a mass m = 6.00 g and a length L = 8.00 m has one end attached to a wall; the other end is draped over a small, fixed pulley a distance d = 5.00 m from the wall and attached to a hanging object with a mass M = 4.50 kg as in the figure below. If the horizontal part of the string is plucked, what is the fundamental frequency of its vibration?
The car encounters a loop of radius R = 18 m at ground level. As you will learn in the course of this problem, the initial height 54.00 m is great enough so that the car never loses contact with the track.
A 0.410-kg ball is dropped from rest at a point 4.30 m above the floor. what is the impulse of the net force applied to the ball during the collision with the floor
In an electron microscope, there is an electron gun that contains two charged metallic plates 2.65 cm apart. Determine the time interval the electron spends between the plates
One mole of nickel (6E23 atoms) has a mass of 54 grams, and its density is 8.9 grams per cubic centimeter. You have a long thin bar of nickel, 2.0 m long, with a square cross section, 0.12 cm on the side.
a brick weighing 30 N fall from a height of 15 m and sinks .7 m into the ground. What is the average force on the rock due to the ground as it sinks into the ground
A boat takes 2.6 hrs. to travel 50 km down a river, then 5.6hrs to return. How fast is the river flowing
Two capacitors, C1 = 4.00 µF and C2 = 13.0 µF, are connected in parallel, and the resulting combination is connected to a 9.00-V battery. Find the equivalent capacitance of the combination
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 54 dB by an observer 10 km away. Treat the horn as a point source and neglect any absorption of sound by the air. What is the average power generated..
The gravitational slingshot effect. The planet Jupiter moving in the negative x direction at its orbital speed (with respect to the Sun). The mass of Jupiter is 1.89813 × 10^27 kilograms. Estimate the final speed of the spacecraft
Gven the relationship between angular frequency and wave number derived from some wave equation, determine whether the system is dispersive or nondispersive
A 3.3-mC charge is moved through a 150-V potential difference. How much work is required to move the charge
A rotating space station is said to create "artificial gravity"-a loosely-defined term used for an acceleration that would be crudely similar to gravity, what angular velocity would produce an "artificial gravity" of 9.80 m/s2 at the rim
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