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(a) What length of pipe open at both ends has a fundamental frequency of 3.77 102 Hz? Find the first overtone.
(b) If the one end of this pipe is now closed, what is the new fundamental frequency? Find the first overtone.
(c) If the pipe is open at one end only, how many harmonics are possible in the normal hearing range from 20 to 20000 Hz?
a heat engine has an efficiency of 65.0% and receives 150 J of heat per cycle. How much work does it perform in each cycle
A boy on board a cruise ship drops a 30.0 g marble into the ocean. what is the terminal speed of the marble
Kim says that she was less than 10 ft away from the president when she took a picture of him with her 53-mm focal length camera lens. How close was Kim to the president when she took the picture
We can approximate an electron moving in a nanowire as a one-dimensional infinite square-well potential. Let the wire be 2 μm long. The nanowire is cooled to a temperature of 13K, What are the three lowest energy levels of the electrons
A 60-g ice cube at 0°C is placed in 727 g of water at 28°C. What is the final temperature of the mixture
The minute hand of a wall clock measures 14 cm from its tip to the axis about which it rotates. The magnitude and angle of the displacement vector of the tip are to be determined for three time intervals.
A trained dolphin leaps from the water with an initial speed of 10.2 . The trainer releases the ball at the horizontal distance of 5.47 away, At what height does the dolphin catch the ball
X-rays are scattered from a target at an angle of 56.0 degrees with the direction of the incident beam. Find the wavelength shift of the scattered x-rays
during heavy rain a section of a mountainside measuring 3.8 km horizontally perpendicular to the slope 0.44 km up along
A concave mirror has a focal length of 52 cm. The image formed by this mirror is in front of the mirror and located 106 cm away from it. What is the object distance
A satellite is in a circular orbit around the earth. The period of the satellite is 22 hr.
Carl and Lenny are trying to find Carl's keys that are beeping-he attached a device to beep when you whistle for this purpose, how far is Lenny from the key's
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