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A block with mass 1.871 kg sliding on a frictionless surface is attached to a horizontal spring with spring constant 11.69 N/m at the equilibrium position of the spring. The block is then pulled a distance 13.99 cm from the equilibrium point and released from rest. What is the distance of the block from the equilibrium point after 4.868×10-1 s?
A 24-V battery is connected in series with a resistor and an inductor, with R = 7.0 ? and L = 2.6 H, respectively. Find the energy stored in the inductor when the current reaches its maximum value
A 4.5 kg fish swimming 2 m/s swallows an absent minded 1 kg fish swimming toward it at a velocity that brings both fish to a halt at once after lunch. What is the velocity v of the smaller fish before lunch.
Suppose a mangetic field of 7.45 mT is pointing into a piece of paper and then we shoot a small charged metal ball, 4.8 grams and +1.52 uC, What is the magnitude and direction of the force on the particle
A Ferris wheel is a vertical, circular amusement ride with radius 6 m. Riders sit on seats that swivel to remain horizontal. The Ferris wheel rotates at the constant rate, going around once in 6.4 s. Consider a rider whose mass is 70 kg.
Your car achieves 30 miles per gallon and weighs 3000 pounds. What approximately is the percentage of the energy spent on the journey that actually goes to "moving you
A baseball outfielder throws a 0.150 kg baseball at a speed of 39.0 m/s and an initial angle of 33.0°. What is the kinetic energy of the baseball at the highest point of its trajectory.
A diver springs upward from a board that is 5 meters above the the water. determine her peak height measured above the water
During a research experiment on the conduction of current in the human body, a medical technician attaches one electrode to the wrist, what is the overall resistance of the patient's arm
A proton and an alpha particle (charge = 2e, mass = 6.64 10-27 kg) are initially at rest, separated by 3.20 10-15 m. Find the speeds of the proton and alpha particle
Monochromatic x rays are incident on a crystal for which the spacing of the atomic planes is 0.442. What is the wavelength of the x rays
In this problem two moles of an ideal gas at 400 K expand quasi-statically and isothermally from an initial volume of 49.0 L to a final volume of 83.0 L. What is the entropy change of the gas
q1. a diffraction grating with 395 linesmm is 1.00 m in front of a screen. what is the wavelength of light whose
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