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A diver shines an underwater searchlight at the surface of a pond (n= 1.33). At what angle (relative to the surface) will the light be totally reflected? Please show work.
question an object is placed 14.6 cm in front of a concave mirror with a focal length equal to 3.00 cm. a find the
consider a tank containing 40.0 kg of water. neglecting the heat capacity of the tank how much heat in joules would be
The de Broglie wavelength is lambda = h/p, but the momentum of a relativistic particle is not mv. what is the electron's de Broglie wavelength
To reach a picnic basket, an ant walks from his hill located at 6.00m, 50.0 degress north of east to the basket located at 8.00m 24.0 degress south of east
A heat engine takes in 1000 J of energy at 1000 K and exhausts 615 J at 200 K. What are the actual and maximum theoretical efficiencies of this heat engine
The shell, with radius R and negligible thickness, has net charge - 4.00 q. Find an expression for the electric field strength outside the sphere
A motorist drives south at 20.0 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.00 min, and finally travels northwest at 30.0 m/s for 1.00 min. For this 6.00 min trip, find (a) the total vector displacement, (b) the average speed, and..
If you see the displayed waveform on an oscilloscope screen,given that voltage scale is 50 millivolt/division, and the timescale is 100 milliseconds/div What is the peak-to-peak amplitude for the waveform ?
An archer shoots an arrow toward a 300 g target that is sliding in her direction at a speed of 2.30 m/son a smooth, slippery surface. The 22.5 g arrow is shot with a speed of 39.0 m/s and passes during the target, which is stopped by the impact. What..
A 0.275 kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.220 kg puck that is initially moving along the x axis with a velocity of 2.03 m/s. After the collision, the 0.220 kg puck has a speed of 1.14 m/s at an angle..
A +6.00 µC charge is moving with a speed of 8.50 104 m/s parallel to a very long, straight wire. The wire is 5.00 cm from the charge and carries a current of 78.0 A in a direction opposite to that of the moving charge. Find the magnitude and directio..
Although an ideal voltmeter has an infinite internal resistance, this theoretical ideal is usually not met in practice. The voltmeter has an internal resistance of 8 x 10^9 Ohms and is used to measure the voltage across the resistor R2.
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