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A machinist is in an environment where the ambient sound level is of 85 dB, i.e., corresponding to the 8 Hours/day noise level on the graph. The machinist likes to listen to music, and plays a Boom Box at an average level of 82.0 dB. Calculate the INCREASE in the sound level from the ambient work environment level (in dB) when the boom box is playing as described. Please show work so I can understand how solution is acheived. I wish to understand to method of calculation.
A man applies a force of F = 3.00 102 N at an angle of 60.0° to a door, x = 1.90 m from the hinges. Find the torque on the door
A golfer swings his club down to the ball in 0.2 second. At ball contact, the initial ball velocity is 50 meter per second. Obtain the angular velocity of the club head at impact
A box of bananas weighing 45.0 N rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.400, and the coefficient of kinetic friction is 0.200. If no horizontal force is applied to the box and the box..
Two equal charges of 3.00 mC lie along the x-axis: one is at the origin, and the other is 2.0m from the origin. Discover the magnitude and direction of the electric field at a point on they-axis .25m from the origin.
Consider a copper wire (mass density 8.9 g/cc, resistivity 1.7E-8 ohm-m) with a diameter of 0.43 mm, How many meters long is this wire
The coefficient of performance of a refrigerator is 3.4. The compressor uses 20 J of energy per cycle. How much heat energy is exhausted per cycle
A pellet gun is fired straight downward from the edge of a cliff that is 19.4 m above the ground. The pellet strikes the ground with a speed of 38.8 m/s. How far above the cliff edge would the pellet have gone had the gun been fired straight upward
The thread is pulled at its midpoint O by a constant force F at right angle to AB. Find the acceleration of A and B in the direction at right angles to the direction of F as a function of the displacement(x) of the midpoint O
A turtle ambles leisurely–as turtles tend to do–when it moves from a location with position vector r1,x = 1.97 m and r1,y = -2.35 m in a lettuce garden to another location, with position vector r2,x = 3.15 m and r2,y = -4.15 m, where the lettuce a..
Develop the string length ratios for Locrian mode by starting with'B' and then lowering (never raising) pitch by perfect fifths, 6times. If frequency corresponding to 'B' is 495 Hz, what is thefrequency corresponding to 'F'?
A cannon tilted upward at = 31 fires a cannonball with a speed of 94 . At that instant, what is the component of the cannonball's velocity
If the free space in Question 3.27 is replaced by a medium (Er = 4), what is the separation between the two charges for the same energy expenditure?
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