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At point A , 5.0m from a small source of sound that is emitting uniformly in all directions, the intensity level is 56.0 dB
What is the intensity of the sound at A?
How far from the source must you go so that the intensity is one-fourth of what it was at A ?
How far must you go so that the sound level is one-fourth of what it was at A ?
A bullet of mass .004 kg is fired horizontally into a wooden block of mass 1.3 kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.2. The bullet remains embedded in the block, which is observed to..
How to compute the average force
Calculate the electric field intensity at a distance of 14 cm from the center of the shell
When these two wires are connected in equivalent to the same battery, describe the reasoning of the steps that allow you to find out which of these wires will consume the greater amount of power by warming up and dissipating this energy as heat.
You are traveling on an airplane. The velocity of the plane with respect to the air is 110 m/s due east, What is the heading of the plane with respect to the ground
A positive point charge q1=2.5x10^-5C is fixed at the origin of corrdinates and a negative charge Q2=-5x10^-6C is fixed to the x axis at x=+2m
An RLC circuit consists of a 218 resistor, a 45 ?F capacitor, and a 298 mH inductor, What is the phase angle between the current and the applied voltage
An airplane flies in a loop (a circular path in a vertical plane) of radius 150m . The pilot's head always points toward the center of the loop, What is the apparent weight of the pilot at this point
It walks 2.1 m along the boat toward shore and then stops. Assuming no friction between the boat and the water, find out how far the dog is then from the shore.
A stone takes 0.28s to travel past a window 2.2m tall. From what height above top of the window did the stone fall?
The crates are pulled to the right at a constant acceleration 3m⁄s^2 by a horizontal force F. Calculate (a) the magnitude of the force F and (b) the tension in the rope connecting the blocks. Include the free body diagram or diagrams you used.
A compressive force of 2.7×104N is exerted on the end of a 24-cm-long bone of cross-sectional area 3.9cm2. By how much will the bone shorten
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