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A mass on a spring vibrates in simple harmonic motion at a frequency of 4.0 Hz and an amplitude of 8.0 cm. If a timer is started when its displacement is a maximum (hence x=8 cm when t =0), what is the displacement of the mass when t = 3.7s?
a beam of light from a monochromatic laser shines into a piece of glass. the glass has thickness l and index of
A cannon fires up at an angle of 30 degrees above the horzontal with a muzzle velocity of 40 m/s. How far from the base of the wall dos the cannon ball travel
You are driving in your car along a country road at a speed of 27.0m/s. As you come over a crest of a hill, how far is the tractor in front of you when you finally stop
Donald Duck and his nephews manage to sink Uncle Scrooge's yacht (m = 4735 kg), which is made of steel (? = 7810 kg/m3). What is the buoyant force on one ping-pong ball in water
Consider the following two-step process. Heat is allowed toflow out of an ideal gas at constant volume so that its pressuredrops from P1 = 2.02 atm toP2 = 1.62 atm. Calculate the total heatflow into or out of the gas
A 1 550-kg automobile has a wheel base (the distance between the axles) of 2.80 m. Find the force exerted by the ground on each wheel
consider a light bulb with a filament made from tungsten with a resistivity temperature coefficient of 4.5e-3k. suppose
A television set connected to a 121 V outlet consumes 88 W of power. How long does it take for 10 million electrons to pass through the television.
what is the final position of the man. What is the magnitude of the electric field (in N/C) at the point (-2.0 m, 3.0 m).
A diffraction grating has 15,000 lines per inch. What angle of deflection from the incident beam would you observe for light with a wavelength of 650 nm
The electromagnetic wave used in a microwave oven have a wavelength of about 12.228 cm. What is the frequency of the radiation
In this section assume the temperature is 20unless directed otherwise. A submarine 79 deep emits a sonar (sound) wave. How deep is the ocean at that point
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