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A plucked guitar string produces a sound wave of frequency 440 Hz.
1) What is the wavelength of the sound wave (assume the speed of sound in air is 340 m/s)?
2) How much time elapses among the impact of two adjacent compressions on your eardrum?
a man is standing near a gate and a flag pole. The gate is 15 ft from the pole. If the pole is h=35 ft tall, how far is the man from the gate
Two balls of the same mass areaccelerated by the different net forces such that one ball gains avelocity twice that of the other ball in the process.
question1an airplane flies 200 km due west from city a to city b and next 335 km in direction of 30.0deg north of west
A current of 10.0 mA is maintained in a single circular loop with a circumferenceof 1.60 m. A magnetic fieldof0.550 T is directed parallel tothe plane of the loop. What is the magnitude of the torque exerted by the magnetic field on the loop?
Using Ampere's Law, find the magnetic fieldfrom a household circuit carrying 10A when you are 2m fromit. What about being 20m away from a high powerline carrying 200A at voltages up to 500,000V. What is the field strength and is this dangerous?
The image behind a convex mirror (radius of curvature = 92 cm) is located 8 cm behind the mirror. Where is the object located
if a heater supplies 1.8 x 106 jh to a room 3.5 m x 4.6 m x 3.0 m containing air at 20 ordmc and 1 atm by how much will
A laser pulse has an energy of 16 J and a beam radius of 2 mm. The pulse duration is 13 ns and the energy density is constant within the pulse. What is the total energy density within the pulse
assuming the specific heat of the body is the same as water calculate the temperature rise due to a total body dose of
three seconds after automobile b passes through the intersection shown automobile a passes through the same
A piano tuner sounds two strings simultaneously. One has been previously tuned to vibrate at 283.0 Hz. The tuner hears 5.0 beats per second. What was the original frequency of the untuned string
A coil has resistance R=14Ohms and inductance L=3milliHenries and is powered by a generator with variable frequency and maximum voltage V = 10Volts.
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