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Problem: Two people hear a tornado siren, but one listener is 22.5 times farther away from the source of the sound than the other.
Part A: What is the intensity level (in dB) at the farther listener relative to the other listener?
I need proficient help in the above problem.
A block of mass m= 2.00kg is released from rest at h=0.500m above the surface of a table, at the top of a 30 degree incline. What is the velocity of the block as it leaves the incline
A circuit contains sic 60 W lamps with a resistance of 240 ohm each and a 10 ohm heater connected in parallel. The voltage across the circuit is 120 V. Find the current in the circuit.
What is the magnitude and direction of the electric field at a point 0.75 m away from a point charge of +2.0 pC
A gas changes in volume from 0.770 m3 to 0.220 m3 at a fix pressure of 1.40 105 Pa, Evaluate how much work is done on the gas
The volume flow rate in an artery supplying the brain is 4.20 10-6 m3/s. Find the average blood speed at a constriction in the artery if the constriction reduces the radius by a factor of two
a 8.0-g string 0.87 m long is under tension. the string produces a 900-hz tone when it vibrates in the third harmonic.
Two spaceships approach Earth with equal speeds, as measured by an observer on Earth, but from opposite directions. A meterstick on one spaceship is measured to be 60 cm long by an occupant of the other spaceship. What is the speed of each spaceship,..
A positive test charge of8.94× 10-5C is placed in an electric field of54.84N/Cinten- sity. What is the strength of the force exerted on the test charge
Andy, age 16, lacks self-discipline, fails to plan ahead, and is rapidly frustrated by challenging tasks. He is nervous and overly critical of others. Make use of the psychoanalytic, humanistic and social-cognitive perspectives to give three contr..
Calcium carbonate, CaCo3, can be in two different solid phases, calcite or aragonite. Which phase is more stable at room temp? At what pressure are both phases stable?
In February 1955, aparatrooper fell 370 m from anairplane without being able to open his chute but happened to landin snow, What is the magnitude of the impulse on him from the snow
a line of charge with uniform density of 40.0 ncm lies along the line y -15.0 cm between the points with coordinates x
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