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Two waves with identical frequency but different amplitudes A1 = 6.0 cm and A2 = 3.0 cm, occupy the same region of space (i.e., are superimposed).
(a) What is the amplitude of the resulting wave if they interfere constructively?
(b) What is its amplitude if they interfere destructively?
(c) By what factor is the intensity larger for constructive interference than the intensity for destructive interference?
When the crate is moving, the frictional force between the floor and the crate has a magnitude of 122.0 N. If the crate starts from rest, explain how fast will it be moving after the man has pulled it a distance of 2.30 m?
LC circuit consists of a 20.0 mH inductor and a 0.750 µF capacitor. find the greatest potential difference across the capacitor
A Michelson interferometer splits a beam of light of unknown wavelength producing a bright fringe (i.e., all of the intensity) at the detector, What is the wavelength of the unknown light
A 0.33-m-long violin string has a mass of 0.89 g. The peg exerts a 45 N force on it. Determine the lowest frequency sound produced by the vibrating sting
A certain dog whistle operates at 22.75 kHz, while another (brand X) operates at an unknown frequency. estimate the operating frequency of brand X
A rifle with a barrel length of 62 cm fires a 12 g bullet with a horizontal speed of 460 m/s/s. The bullet strikes a block of wood and penetrates to a depth of 15 cm.
Iced tea is made by adding ice to 2.4 kg of hot tea, initially at 70?C. How many kg of ice, initially at 0?C, are required to bring the mixture to 10?C? (Lf = 3.33×105 J/kg, cw = 4,186 J/kg•? C)
An alert physics student stands beside the tracks as a train rolls slowly past. He notes that the frequency of the train whistle is 443 Hz when the train is approaching him.
A spear fisherman is using m a laser rifle, he is standing in a stream 0.5m deep, if the laserstruck the water 5m out from the fisherman, how far was his feet from the fish
A copper block is removed from a 300°C oven and dropped into 1.00 kg of water at 20.0°C. What is the mass of the copper block
A certain spring is found not to obey Hooke's law; it exerts a restoring force Fx(x)=??x??x2 if it is stretched or compressed, Calculate the potential energy function U(x) for this spring. Let U=0 when x=0
The wheels of an automobile are locked as it slides to a stop from an initial speed of 30.0 m/s, approximately how long does it take the car to stop
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