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-You and a few friends decide to conduct a Doppler experiment.
You stand 50 m in front of a parked car and your friend stands 50 m behind the same parked car. A second friend then honks the horn of the car.
-What similarities and differences will there be in the sound that is heard by:
-You
-Your friend behind the car.
-Your friend who is in the car honking the horn.
A student constructs an astronomical telescope with a magnification of 10. what is the resulting length of the telescope
Find required thickness of the protective copper shield in order to achieve 50 % reduction of X-Ray radiation intensity. The density of copper is 8.9 g/cm3.
a penny is dropped from the observation deck of the Empire State building (369 m above ground). With what velocity does it strike the ground, how far would the ball fall in twice that time
Suppose the crystal in the above example is rotated to 30 ? with respect to the incident beam and the detector is rotated to 30 ? with respect to the crystal.
Four point charges have equal magnitudes. Three are positive, and one is negative, find the ratio of the largest to the smallest net force magnitude
14g of nitrogen gas at 0°C and 1 atm is compressed in an isochoric process to an pressure of 20 atm. How much heat is inputted into the gas
you are writing a short adventure story for your english class. in your story two submarines on a secret mission need
A 500 turn solenoid with a length of 20 cmand a radius of 2.0 cm carries a currentof 2.0 A. A second coil of four turns iswrapped tightly about this solenoid so that it can be considered tohave the same radius as the solenoid.
You send a beam of light from a material with index of refraction 1.21 into an unkown material. find the index of refraction of the unknown material
When a rock thrown straight upwards gets to the exact top of its path, its. While a car travels around a circular track at a constant speed its
a basketball player throws a basketball m 1 kg straight up with an initial velocity of v0 6.5 ms. the ball leaves his
A 6-µF capacitor in series with a 2-? resistor is charged with a 9-V battery for a long time by closing the switch, Determine the maximum current through the inductor
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