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The length of a hollow pipe is 658 cm. The air column in the pipe is vibrating and has four nodes.
a) Find the frequency of the sound wave in the pipe. The speed of sound in air is 343 m/s.
b) Find the fundamental frequency; i.e., the lowest frequency the pipe can sustain?
Two 2.0 cm x 2.0 cm square electrodes, spaced 0.4 mm apart, are connected to a 10 V battery. What is the charge on each electrode
Two small spheres, each with mass m = 3.1 g and charge q, are suspended from a point by threads of length L = 0.23 m
A person driving her car at 49 km/h approaches an intersection just as the traffic light turns yellow. She knows that the yellow light lasts only 2.0 s before turning to red, and she is 30 m away from the near side of the intersection .
An airtight box has a removable lid of area 2.46 × 10-2 m2 and negligible weight. find the magnitude of the force required to pull the lid off the box
Consider a ring of radius R with the total charge Q spread uniformly over its perimeter. What is the potential difference between the point at the center of the ring and a point on its axis a distance 2R from the center
Determine the highest speed the stone can attain without breaking the string.
At one instant a bicyclist is 40m due east of a park's flagpole, going due south with a speed of 10m/s. Then 30.0s later, the cyclist is 40m due north of the flagpole.
A diffraction grating has 4272 lines/cm. Calculate the width of the dark area between the first and second order spectra on a screen 3.3 m away
A flashlight bulb with a resistance of 40 ohm is powered with a six volt battery and produces .75W power. obtain the internal resistance of the battery
During a snowmobile race our hero goes 16.7 km at 45 deg to the North of West (45 degrees above the -X). Then turns and goes 7.5 km due east. Then turns and goes 23 km at 40 degrees to the West of South (40 degrees to the left of -y).
A 0.10 m long solenoid has a radius of 0.05 m and 15000 turns. The current in the solenoid changes at a rate of 6.0 A/s. Determine the self-induced emf in the solenoid
What is the resultant velocity of the lightning bug. find the force provided by the cable.
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