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Help with this physics question:
You live on a busy street, but as a music lover, you want to reduce the traffic noise.
a) If you install special sound-reflecting windows that reduce the sound intensity level by 35.0 dB , by what factor have you reduced the sound intensity?
b) If, instead, you reduce the intensity by half, what change (in dB ) do you make in the sound intensity level?
Light wavelength is 510 nm is directed at a double slit, where the distance between the slits is 450 micrometers. What is the intensity of the central maximum
plane polarized light of intensity I0 is passed through two polarizers, the first one at 45 degrees to the original plane of polarization, what intensity is transmitted
A 10 g steel marble is spun so that it rolls at 150 rpm around the inside of a vertically oriented steel tube. The tube is 12 cm in diameter. Assuming that the rolling resistance is negligible enough for the marble to maintain 150 rpm for several ..
A circular loop with a radius of 19.5 cm carrying a current of 2.0 A is oriented in a magnetic field of 3.5 T, What is the magnetic field produced by the loop at its center
22g of nitrogen gas at STP are pressurized in an isochoric process to a pressure of 30atm. What is the pressure ratio
An electron acquires 100 fj of kinetic energy when it is accelerated between two parallel plates at a distance 1 millimeter, estimate magnitude of the electric field between the plates
What is the acceleration of a cart that has a mass of 50 g if it is beingpulled by mass of 90 g that is dropped off a table? What is the force that is exerted on the cart by the hanging mass?
Calculate the speed of a satellite moving in a stable circular orbit about the Earth at a height of 4860km. Express your answer using three significant figures and include the appropriate units.
A 9 Volt battery is connected to a capacitor which subsequently has magnitude of 0.5 μC of charge on each plate, Estimate what is the capacitance of this capacitor
find the mass defect (in u) for (a) helium-3 (2He3), which has an atomic mass of 3.016 030 u, and (b) the isotope of hydrogen known as tritium (1T3), which has an atomic mass of 3.016 050 u.
Conservation of momentum
What is the maximum magnification of a magnifying glass with a power of + 5.0D for a person with a near point of 25 cm
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