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The sound level measured 5.2 m away from a jet engine is 140 dB.
(A) What is the intensity of the sound at 5.2 m?
(B) What is the power transmitted by the sound waves?
(C) At what distance is the sound level exactly half?
Water is flowing through a pipe (area 4.2 cm2) that connects to a faucet adjusted to have an opening of 0.48 cm2. what is its speed as it leaves the faucet
Flux and nonconducting shells. A charged particle is suspended at the center of two concentric spherical shells that are very thin , What is the charge of the central particle
The aorta carries blood away from the heart at a speed of about 40 cm/s and has a radius of approximately 1.1 cm. determine the approximate number of capillaries in the human body
On a frictionless table, a glob of clay of mass 0.340kg strikes a bar of mass 1.44kg perpendicularly at a point 0.10m from the center of the bar and sticks to it.
A car is traveling at 85.1 km/h at this speed the car has a fuel efficiency of 14.5 km/L. What is the average flow rate of gasoline
If the height of the candies in the container increases at the rate of 0.29cm/s, at what rate (kilograms per minute) does the mass of the candies in container increase.
An 85-g arrow is red from a bow whose string exerts a constant force of 105 N on the arrow over a distance of 75 cm. Illustrate what is the speed of the arrow as it leaves the bow?
A 950-kg satellite orbits the Earth at a constant altitude of 105-km. What is the change in the system's kinetic energy
Explain how the process of "doping" a semi conductor can improve its overall efficiency. Why does "doping" require a clean room infrastructure
A battery provides a voltage of 10.0V and has unknown internal resistance Rint. If the external resistance is then changed to R2 = 7.00? , what is the value of the current I2 in the circuit
A car of mass 1500 kg traveling at 24 m/s is at the foot of a hill that rises 115 m in 2.2 km. Find the average power delivered by the car's engine
A bungee jumper undergoes simple harmonic motion with amplitude 7.9m and frequency 0.110Hz. Determine the bungee jumper's velocity
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