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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.
A cube of ice is taken from the freezer at -9.5°C and placed in a 105 g aluminum calorimeter filled with 323 g of water at room temperature of 20°C. What was the mass of the ice cube
A motorcycle and 56.0 kilogram rider accelerate at 2.7 m/s2 up a ramp inclined 10 degree above the horizontal. Determine the magnitude of the net force on the rider
A baseball is thrown from the roof of 20.4m -tall building with an initial velocity of magnitude 13.9m/s, What is the speed of the ball just before it strikes the ground
a 9.5-uC charge is at x = 15 cm, y = 5.0 cm and a -3.2-uC charge is at x = 4.4 cm, y = 11 cm. Find the force on the negative charge
a 280 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. the ramp is inclined
q1. one end of a cord is fixed and a small 0.500kg object is attached to the other end where it swings in a section of
A source has a half life of 30.2 years. It was created 19 years ago with an initial activity of 1 micro curie. Calculate the initial number of atoms in the sample
Now...when we change the temperature of the water bath from 20 degrees C to 30 degrees C, the rate of water absorption changed and the wood absorbed more water in the same unit time. Why??? Help me understand?
Compare "fast" to "speeding up quickly" and "slow" to "speeding up slowly." Can a car be going fast and speed up slowly? Can a car be going slow and speed up quickly? Explain.
You are driving along SW 8th Street (Tamiami Trail). It takes you 6.8 minutes from 107th Avenue to 92th Avenue. What was your average velocity
A pair of speakers separated by 0.700 m is driven by the same oscillator at a frequency of 655 Hz. How far must the observer walk before reaching a relative maximum in intensity
A golf ball of mass 0.050 kg is at rest on the tee and has a velocity of 102 m/s immediately after being struck. what was the club velocity before the collision
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