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A whistle produces a sound wave of frequency of 500 Hertz. Determine what is the wavelength of this sound?
A solid sphere of mass 0.599 kilogram rolls without slipping along a horizontal surface with a translational speed of 5.44 m/s. It comes to an incline that makes an angle of 31°with the horizontal surface.
A jetliner is moving at a speed of 189 m/s. The vertical component of the plane's velocity is 37.6 m/s. Determine the magnitude of the horizontal component of the plane's velocity.
The radius of the earth's orbit around the sun is approximately 90 million miles (90*10^6). What is the speed of the earth in miles per hour
A person eats a container of yogurt. The Nutritional Facts labelstates that it contains 240 Calories (1 Calorie = 4186 J). What mass of perspiration would one have to lose to get rid of thisenergy? At body temperature, the latent heat of vaporizat..
A 140 kg astronaut (including space suit) acquires a speed of2.50 m/s by pushing off with his legs from an 1800 kg space capsule. What is the change in speed of the space capsule
a violin string vibrates at 294 hz when unfingered. at what frequency will it vibrate if it is fingered one-third of
A bunch of grapes is placed in a spring scale at a supermarket. The grapes oscillate up and down with a period of 0.65 s, What is the mass of the grapes
A particle undergoes two displacements. The first has a magnitude of 175 cm and makes an angle of 120.0° with the positive x axis. Find the magnitude and direction of the second displacement
A red laser pointer with a wavelength of 635 nm is shined on a double slit producing a diffraction pattern on a screen that is1.75m behind the double slit. The central maximum of the diffraction pattern has a width of4.30cm, and the fourth bright spo..
a uniform 5.93 m long horizontal beam that weighs 468N is attachedto a wall by a pin connection that allows the beam to rotate. itsfar end is supported by a cable that makes an angle of 51 degreeswith the horizontal, and a 582N person is standing 1.2..
A 54.0-kg woman stands at the western rim of a horizontal turntable having a moment of inertia of 520 kg · m2 and a radius of 2.00 m. Is the mechanical energy of the system constant
a. 1.6m long string fixed at both ends vibrates at resonant frequencies of 780hz and 1040hz with no other resonant
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