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A small block with mass m1 rest on a frictionless horizontal tabletop a distance r1 from a hole in the center of the table. A light, stretchless string tied to the small block passes down through the hole, and a larger block with mass m2 is suspended from the free end of the string. The small block, which can be considered a particle, is set into uniform circular motion with radius r and speed v. A) Find the value of v for the small block such that the large block will not move. B) If you then pull down the large block so that the small block is rotating at a distance r2, what is its new velocity? C) How much net work was done pulling down the large mass?
a mass-spring system has k=54.4 N/m and m=0.465kg. Find the period of its simple harmonic motion and Find the frequency of its simple harmonic motion
Compute the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of 2.10 m above the ground.
The output voltage of a 81W transformer is 12V , and the input current is 19A. By what factor is the voltage multiplied
A mass (10 kg) rests on a surface (ustatic=0.6) connected by a cord to a hanging mass of 2 kg. What is the acceleration of the heavier mass
A 2.00×104kg railroad car is rolling at 1.00m/swhen a 5000kg load of gravel is suddenly dropped in.What is the car's speed just after the gravel is loaded
A uniform electric field of magnitude 435 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. What is the work done by the field on the electron
If a capacitor has the initial charge of 5.0uC, L = 0.080H, C = 10uF, and R = 0, What is the maximum energy stored in the inductor
A Ferris wheel with radius 14.0m is turning about a horizontal axis through its center. What is the magnitude of the passenger's acceleration as she passes through the lowest point in her circular motion
A 32 -tall, 6.0 -diameter cylindrical beaker is filled to its brim with water. What is the downward force of the water
What is the natural frequency of a LC circuit with L = 20 mH and C = 800 F? The capacitor is initially charged to 12.0 V
A mass, m= 1.23kg is hanging from a string. The string is stretched 0.641m from its natural equlibrium position. If i lift the mass 0.36m and let it go, what will be its maximum velocity
Two equal charges of magnitude +1 C are separated by a distance of 1 km. What is the force acting between these two charges
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