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A 3.0 kg mass is connected to a spring with a spring constant of 6.0 N/m. The velocity is given by the expression v(t) = 10.0 cm/s sin(wt). What is the maximum velocity of the simple harmonic motion? vx(t) = -vm sin(wt)
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A car accelerates down a hill, going from the rest to 30.0 m/s in 6.00 s. A toy inside the car hangs by a string from the car's ceiling. The ball in the figure represents the toy, of the mass 0.200 kg. The acceleration u ...
Question: A rock is suspended by a massless string. When the rock is invacuum, the tension in the string is 39.2 N. When the rock iscompletely immersed in water, the tension is 28.4 N. When the rockis completely immersed ...
The total length of the blood vessels in the body is roughly 500,000 km. Most of this length is due to the capillaries, which have an average diameter of 12 um. Estimate the total volume of blood in the human body by ass ...
Question: A sump pump (used to drain water from the basement of houses built below the water table) is draining a flooded basement at the rate of 0.55 L/s, with an output pressure of 2.9 Ã- 105 N/m2. a) The water enters ...
Question: Which statements about potential energy are correct? Select all that apply. a) The potential energy of a pair of interacting charged objects increases as the distance between them increases. b) Potential energy ...
Question: A point charge with charge q_1 is held stationary at the origin. A second point charge with charge q_2 moves from the point (x1, 0) to the point (x2, y2). How much work W is done by the electrostatic force on t ...
Question: A proton has been accelerated from rest through a potential difference of -1350 V. What is the proton's kinetic energy, in electron volts? What is the proton's kinetic energy, in joules? What is the proton's sp ...
What are the equations and ratios used in Galileo's experiments, and what theory/principles are associated with his experiments that involve motion on a ramp at different inclines and distances for example?
Question: A somewhat idealized graph of the speed of the blood in the ascending aorta during one beat of the heart appears as in the figure Part A: Approximately how far, in cm, does the blood move during one beat? Part ...
Question: A parallel-plate vacuum capacitor is connected to a battery and charged until the stored electric energy is . The battery is removed, and then a dielectric material with dielectric constant is inserted into the ...
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