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The maximum speed of a 3.7-kg mass attached to a spring is 0.67 m/s , and the maximum force exerted on the mass is 12 N.What is the amplitude of motion for this mass?What is the force constant of the spring?What is the frequency of this system?
10 g of dry ice solid co2 is placed in a 10000 cm3 container and the air is quickly pumped out and the container
A diver observes a bubble of air rising from the bottom of a lake to the surface, What is the ratio of the volume of the bubble as it reaches the surface to its volume at the bottom
A horizontal spring, with spring constant k, has a mass, m,attached to it and is vibrating horizontally on a friction less surface. Which one of the following statements is CORRECT?
A tanker ship spills oil (n=1.40) into the sea. Looking at this disaster from a helicopter overhead, what predominant wavelength of visible light do you see if the oil is 390nm thick
an electric motor operating at 200 v draws a current of 5 a at its full speed. the resistance of the amature is 10 ohm.
Suppose that a person pushes a box with a constant force of 100 N over a distance of 25 meters. What is the change in kinetic energy
The left ventricle of the heart accelerates blood from rest to avelocity of +21cm/s. If the displacement of the blood during the acceleration is +1.5 cm, determine its acceleration (incm/s2).
Clifford is in a real hurry, however, and skips the speedramp. Starting from rest with an acceleration of 0.39 m/s2, he covers the same distance as the ramp does, but in one-fourth the time. Illustrate what is the speed at which the belt of the ra..
An electron collides elastically with a stationary hydrogen atom. The mass of the hydrogen atom is 1837 times that of the electron.Assume that all motion, before and after the collision, occursalong the same straight line.
A wire is formed into a120 turn loop whose diameter is 35 cm and the resistance of theloop is 4 ohms. The loop is on the floor a downward magnetic isincreasing according to the formula b(t) =4t^6+5t+2
a balloon contains 4.20 moles of a monatomic ideal gas. As energy is added to the system by heat, find work Wenv done by the gas in expanding the balloon
A relief airplane is delivering a food package to a group of people stranded on a very small island. The island is too small for the plane to land on, and the only way to deliver the package is by dropping it. What is the speed of the package when ..
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