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1.) Describe in your own terms the resonance. Give at least two examples
2.) Give two examples which will demonstrate that the speed of sound depends on the density of the particles of the medium.
You are working out on a rowing machine. Each time you pull the rowing bar (which simulates the oars) toward you, find the magnitude of the force that you exert on the handle
q1. a 35 g horizontal metal bar 11 cm long is free to slide up and down between two tall vertical metal rods. a
A lens for a 35-mm camera has a focal length given by f= 49mm. A How close to the film should the lens be placed to form a sharp image of an object that is 5.3mm away?
A communications satellite is in a synchronous orbit that is 3.6 x107 m directly above the equator. The satellite islocated between two cities almost on the equator that are separatedby a distance of 4.8 x 106 m.
Three charged particles are placed at each of three corners of an equilateral triangle whose sides are of length 4.0 cm. What is the net electric force acting on particle 3
A 2.0 µF capacitor in a circuit in series with a resistance of 1.0 M is charged with a 6.0 Volt battery. Find how long would it take to charge the capacitor to three-fourths of its maximum voltage
William Tell must split the apple atop his son's head from a distance of 20. At what angle must he aim it to hit the apple if the arrow travels at a speed of 36
question1a wire shaped in the shape of an equilateral triangle of side d 8 cm carries current i 0.25 a. this loop is
A teacher sits on a freely rotating stool holding two weights, each of mass 2.60 kg. When her arms are extended horizontally, find new angular speed of the teacher-stool-weight system
A 150g ball has a kinetic energy 27.2J. A) What's the magnitude of its momentum? Express your answer with the appropriate units. B) Use your answer to find its speed. Express your answer with the appropriate units.
A second baseman tosses the ball to the first baseman, who catches it at the same level from which it was thrown, What is the y component of the ball's velocity
(a) Which mark on the scale will the pointer indicate when no package is hung from the spring? (b) What is the weight W of the third package
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