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A 10-kg box is at rest at the end of an unstretched springwith constant k=4000 N/m. The mass is struck with a hammer, with anaverage force of 6000N, which sends the mass to the right across africtionless surface. The hammer is in contact with the 10-kg massfor .01s.
What is the amplitude of the resulting oscillation of this system?
The tension on a wire is 2740 N. The wire is 2.6 m long and the fundamental frequency is 370 Hz. What is the mass of the wire
Determine the magnitude and direction of impulse delivered to the ball by the floor.
q1. an electron librated from a hot filament cathode is attracted by an anode with a potential of 1200v positive with
To decrease the body temperature of a 66-kg person by 1.0 C , what mass of alcohol must be evaporated from the person's skin? Ignore the heat involved in raising the temperature of alcohol to its boiling point (why?) and approximate the human body as..
The membrane that surrounds a certain type of living cell has a surface area of 6.4 x 10-9 m2 and a thickness of 1.4 x 10-8 m. How much charge resides on the outer surface
Consider a string of length 1.0 meter, fixed at both ends, with mass 100 grams and tension 100 Newtons. Give the number of nodes and antinodes set up on the string if it is driven at a frequency of 95 hertz. Be sure to include the ends of the string ..
A mass m1 is hanging from a light cord which is strung over a pulley of moment of inertia I and radius R0, What are the tensions in each part of the light cord
A series RLC circuit contains a resistor of 20 ohms, a capacitor of 0.75x10^-6 F, and an inductor of 0.120 H. what is the rms current in the circuit when operating at its resonance frequency
Heat is extracted from a certain quantity of steam at 100 degrees celsius. Thus the steam changes into ice at 0 degrees celsius. If this energy were used to accelerate the ice from rest, what would be the linear speed of the ice.
You and a close friend stand facing each other. You are as close as you can get without actually touching. If a wire is attached to each of you, estimate the capacitance of this "human capacitor
q1. a goldfish in a spherical fish bowl of radius r is at the level of the center c of the bowl and at distance l r2.8
A transverse wave on a string is described by the wave function y = A0sin(kx + ωt) where A0 = 0.425m, k = 0.895rad/m, Calculate the transverse speed of the element
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