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During takeoff, the sound intensity level of a jet engine is 150dB at a distance of 20m.
Part A
What is the sound intensity level at a distance of 1.0 km?
Express your answer to two significant figures and include the appropriate units.
The combination of an applied force and a friction force produces a constant total torque of 36.8 N · m on a wheel rotating about a fixed axis. Find the magnitude of the torque due to friction
Drosophila melanogaster. There should be 2 or 3 pgs on the features of this model organism and why it is used in research. Include things life cycles, ploidy, genetics, genome data etc. There should be 2-3 pgs on the specific research paper yo..
A ball of mass 0.120 kilogram is dropped from rest from a height of 1.25 meter. It rebounds from the floor to reach a height of 0.600 meter. Find what impulse was given to the ball by floor
You need to push a box across the room. which side of the box should be the side down on the floor
A person with mass mp = 72 kg stands on a spinning platform disk with a radius of R = 1.74 m and mass md = 195 kg. find the centripetal acceleration of the person
You are given a 23.8 µF capacitor that is connected to a 12.0 V DC power supply. What will be the charge that is stored on this capacitor
A 0.157kg ball is thrown straight up from 1.94m above the ground. Its initial vertical speed is 9.60 m/s. A short time later, it hits the ground. What is the total work done by the force of gravity during that time.
a 150lb man stands at the rear of a 250lb boat which is pointed towards the pier. the distance from the man to the pier
Charge q1 = 8.5 nC is located at the coordinate system origin, while charge q2 = 3.7 nC is located at (a, 0), In Joules, what is the total potential energy U of the final configuration of three charges
A disk with a mass of 37.5kg and a radius of 38.3cm is mounted on a frictionless horizontal axle. A string is wound many times around the disk and then attached to a 56.4kg block. Find the acceleration of the block, assuming that the string does n..
Smaller mammals use proportionately more energy than larger mammals; that is, it takes more energy per gram to power a mouse than a human. A typical mouse has a mass of 20 g and, at rest, needs to consume 3.0 Cal each day for basic body processes.
A very long solenoid of circular cross section with radius R = 5.30 cm has n = 69.0 turns/cm. An electron is sitting just outside the solenoid, at a distance r = 5.80 cm from the solenoid axis. What is the magnitude of the force on the electron as..
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