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A bulk modulus of aluminum is 7.1 x 1010 N/m2. If the density of aluminum is 2.7 x 103 kg/m3, then compute what is the speed of sound in aluminum?
A drinking straw 20 cm long and 3 mm in diameter stands vertically in a cup of juice 8.0cm in diameter. A section of straw 6.5cm long extends above the juice. A child sucks on the straw, and the level of juice in the glass begins dropping at 0.23c..
Suppose that a 1.00 cm3 box in the shape of a cube is perfectly evacuated, except for a single particle of mass 1.21 10-3 g. Find the mass density inside the box
The driver of a 1780 car traveling on a horizontal road at 108 suddenly applies the brakes. How many meters does the car travel before stopping
The amount of charge that passes through the filament of a certain lightbulb in 2.00 s is 1.67C. find the current in the lightbulb
A mirror with a focal length of -10 cm is used to image an object15 cm away. What is the image distance and what type of imagewould this mirror produce. Draw a ray diagram as part of your answer.
a doughnut contains about 335 calories. note these are food calories. after eating this doughnut you decide to
The drawing shows four point charges. The value of q is 2.06 µC, and the distance d is 0.98 m. Find the total potential at the location P. Assume that the potential of a point charge is zero at infinity. 1 V
in the bohr model of the hydrogen atom an electron moves in a circular path around a proton. the speed of the electron
An RLC series circuit has a 202 ? resistor and a 25.0 mH inductor. At 8220 Hz, the phase angle is 45.0°. Find the minimum possible capacitance of the circuit
a circular coil consisting of a single loop of wire has a radius of 30.5 cm and carries a current of 27.1 a. it is
The security alarm on a parked car goes off and produces a frequency of 960Hz. The speed of sound is 343m/s. At what speed are you driving
A plane electromagnetic wave, with wavelength 1.8 m, travels in vacuum in the positive direction of an x axis. The electric field, of amplitude 370 V/m, oscillates parallel to the y axis.
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