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During a boring banquet you notice that the fat swimming on top of your soup is reflecting back green, which you remember to be about 550 nm in wavelength. Carefully observing the refraction angles of your submerged spoon, you figure out that the index of refraction of the soup is 1.34, while the index of refraction of the fat is 1.43. What is the smallest possible thickness of the fat layer on top of your soup?
Capacitors C1 = 5.60 µF and C2 = 2.45 µF are charged as a parallel combination across a 250 V battery, Calculate the resulting charge on each capacitor
A flat circle of radius 20 cm is placed in a uniform electric field of magnitude 6.6×102N/C, What is the electric flux through the circle when its face is at 30 to the field lines
If the point charge q is instead located outside the sphere, a distance r from the center, show that the average electric field over the surface of the sphere has magnitude q/4πE0r.
Light of wavelength 380 nm is incident on the face of a silica prism at an angle of 1 = 64.2 (with respect to the normal to the surface). The apex angle of the prism is = 63.1. Given: The value of the index of refraction for silica is n = 1.455.
A photon of wavelength 0.72462 nm strikes a free electron that is at first at rest. The photon is scattered straight backward. What is the speed of the recoil electron after the collision?
a 2.0 kg mass is hanging from a spring. when it is in equilibrium the spring is stretched 3.0 cm pasts its zero
Find: Free body diagram of the puck (looking at it from the side) when the center of rotation is to the left of it.
The height of a helicopter above the ground is given by h = 3.00 t3, where h is in meters and t is in seconds. After 2.00 s, the helicopter pilot lets go of a small mailbag. How long (in seconds) after its released does the mailbag reach the ground?
A motor has coils with a resistance of 26 Ω and operates froma voltage of 240 V. When the motor is operating at its maximumspeed, the back emf is 111V.
A block of weight 3.9N is launched up a 30 degrees inclined plane 2.10m long by a spring with k = 2.15kN/m and maximum compression 0.10m, find How much kinetic energy does it have there
35g of copper pellets are removed from a 300C oven and immediately dropped into 80ml of water at 24C in an insulated cup. What will the new water temperature be
A beam of light has a frequency of 367x1015 Hz. itis projected into a metal. Calculate the work function of the metal
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