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Tuning forks X and Y have different frequencies and produce a 6-Hz beat frequency when sounded together. When X is sounded along a 445-Hz tone, a 1-Hz beat frequency is detected. When why is sound it along with the 445-Hz tone, a 5-Hz beat frequency is heard. Assume that Fx is greater then Fy. (a) what is Fx? (b) what is Fy?
Determine the deflection angle a from a distant star that would, according to general relativity, by an observer on the moon as the light grazes the edge of the earth
A SLR digital camera often has pixels measuring 8.00 m × 8.00 m. Find how many such pixels does the height of this image cover
A velocity selector has a magnetic field of magnitude 0.32 T perpendicular to an electric field of magnitude of 0.34 MV/m. The mass of the electron is 9.11x10-31 kg. How much energy must electrons have in order to pass through undeflected
A car drives over the top of a hill that has a radius of 50m. What maximum speed can the car have
a cannonball of mass 8.11 kg is shot from a cannon at an angle of 34.21deg relative to the horizontal and with an
At one instant a bicyclist is 53m due east of a park's flagpole, going due south with a speed of 12m/s. Then 37s later, the cyclist is 53m due north of the flagpole, going due east with a speed of 12m/s. For the cyclist in this 37s interval.
The magnitude of the field produced by a point charge of +5.4 micro-coulombs has a magnitude of 5.9 x 106 N/C, How far is the point from the charge
a metal cylinder which has length l and a resistance of 4 ohms is melted down to form a new cylinder with twice the
One solenoid is centered inside another. The outer one has a length of 53.0cm and contains 6600 coils, while the coaxial inner solenoid is 5.00 cm long, What is the mutual inductance of these solenoids
How much current is in each resistor? I1, I2, I3, I4. How much power is delivered to each? P1, P2, P3, P4. Compare the sum of the individual powers with the power delivered to the equivalent resistance for the circuit.]
A railroad car of mass 3.3 104 kg moving at 4.50 m/s collides and couples with two coupled railroad cars, What is the speed of the three coupled cars after the collision
a block weighing 100lbs rests on a rough level plane. the coefficient of friction is between the block and the plane is
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