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The tip of one prong of a tunng fork undergoes SHM of Frequencry 100 hz and amplitude 0.40 mm. For this tip, what is the magnitude of the a) maximum acceleration, b) maximum velocity, c) acceleration at tip displacement +0.20 mm, d) velocity at tip displacement +0.20 mm?
A toy is made with three equal masses of 100 grams in the vertices of an equilateral triangle of side 7 cm. Determine the position of the center of mass of this object
in a materials testing laboratory a metal wire made from a new alloy is found to break when a tensile force of 90.8 n
When something gets wet, it usually appears darker. This can be observed with soil, sand, cloth, paper, concrete, bricks. What is the reason for this? How does water soaking into the material change its optical properties?
Impulse and momentum change/varying force. A 10-kg asteroid is traveling through space at 2 m/s toward a spaceship. To avoid a collision, an astronaut, with the help of a backpack rocket, exerts a force of 20 N on the asteroid in the opposite dire..
q1. identical samples containing 32p are measured for a period of 1 hr in a counter having an efficiency of 44 percent
calculate the ground state energy and corresponding speed of a particle of mass 1.0 g in a box of length l10.0 cm
William Tell shoots an apple from his son's head. The speed of the 129-g arrow just before it strikes the apple is 21.2 m/s, how massive was the apple
What governs water pressure? If i am a scuba diver under 100 meters of water in the ocean, or 100 meters of water in a swimming pool? In which environment do I feel the most pressure?
A tortoise can run with a speed of 9.0 cm/s, and a hare canrun 20 times as fast. in a race, how long does the race take
A 7 kg ball is lifted from the ground to a height of 45 meters above the ground. The ball is then dropped. After the ball has fallen 5.5 m, what is it's PE and KE and how fast is it going?
A large, cylindrical roll of tissue paper of initial radius R lies on a long, horizontal surface with the outside end of the paper nailed to the surface. Determine the speed of the center of mass of the roll
A Gas of diatomic molecules is in equilibrium at a temperature of 340K. what is the rms angular speed of the molocules
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