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A horizontal mass-spring system has low friction, spring stiffness 250 N/m, and mass 0.370 kg. The system is released with an initial compression of the spring of 10.8 cm and an initial speed of the mass of 3.10 m/s.What is the maximum stretch during the motion?
What is the maximum speed during the motion?
Now suppose that there is energy dissipation of 0.030 J per cycle of the spring-mass system. What is the average power input required to maintain a steady oscillation?
An electric iron connected to a 110V source draws 9A of current.show that the amount of heat generated in one minute is almost 60 kj.
One skater throws a .3 kg ball at 5 m/s to his friend, who catches it and throws it back at 5 m/s. When the first skater has caught the returned ball, Illustrate what is the velocity of each of the two skaters?
person 1.6 m tall stands 5.2 m from a reflecting globe in a garden. How large is the person's image
A hot-air balloon has just lifted off and is rising at the constant rate of 2.2 m/s . Suddenly one of the passengers realizes she has left her camera on the ground.
A large piece of cork weighs 0.295 N in air, he spring scale reads 0.903 N. Find the density of the cork
Basic science concepts in optics like Which types of electromagnetic radiation can be seen from the surface of Earth.
what is the magnitude of one of the masses.Vertically polarized light passes through two polarizers, the first at 62rm {^circ} to the vertical and the second at 90 rm {^circ} to the vertical.What fraction of light gets through.
What is height of the cliff
I once observed a woman on an airplane at night with a camera. As we flew low over Washington DC she was impressed with the view of the city lights in the dark. She stood back in the aisle and tried to take the picture by the window using her flash. ..
The coefficient of static friction between the ladder and the ground is 0.55, and the ladder makes a 50.0° angle with the ground. Explain how far up the ladder can an 870 N person climb before the ladder begins to slip?
A car moving at 150km/h (93mph) is approaching a stationary police car whose radar speed detector operates at a frequency of 15Ghz
What is the speed and momentum of a proton with kinetic energy 500 MeV, What is the de Broglie wavelengeth of the proton
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