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With air as the top medium and water as the bottom medium, use your protractor to adjust your laser to so it creates an angle of incidence of 30o. What is the angle of reflection? What is the angle of refraction? Using Snell's Law equation, what is the mathematical solution for θ2?
An air-core solenoid with 80 turns is 10.64 cm long and has a diameter of 1.09 cm. How much energy is stored in its magnetic field when it carries a current of 0.44 A
A proton is moving parallel to a uniform electric field. The electric field accelerates the proton and increases its linear momentum to 5.0*10-23 kgm/s from 1.5*10-23kgm/s in a time of 6.3*10-6 s. Decide is the magnitude of the electric field?
A cart of 0.5 kg hits a fixed cart of 1.5 kg with a velocity of 3 m/s in the north direction. Both carts get stuck together and move, What is the direction of the velocity vector
In a television picture tube, electrons strike the screen after being accelerated from rest throughout a potential difference of 28000 V.
a 25 gram bullet moving at 550 ms strikes and imbeds itself in a 3.5-kg wooden block that is at rest on a level
A large arm model was constructed with a free arm which weights 1 kg, an additional weight of 1 kg is supported by the arm at a distance of 12 cm from the pivot. What is the total torque of the resistance
A car of mass 961 kg coasts on a level road, starting with an initial speed of 14.6 m/s and coming to rest 15.4 s later. Find the frictional force acting on the car
when mass m is tied to the bottom of a long thin wire suspended from the ceiling the wires second-harmonic frequency is
When a train's velocity is 12.0 m/s eastward, raindrops that are falling vertically with respect to the earth make traces that are inclined 30.0 degrees to the vertical on the windows of the train. What is the horizontal component of a drop's veloc..
A spherical balloon has a radius of 12.0m, and is filled with helium. How large a cargo can it lift,assuming that the skin and structure of the balloon have a mass of1200 kg
A 51.0 kg woman balances on one heel of a pair of high-heeled shoes. If the heel is circular and has a radius of 0.400 cm, what pressure does she exert on the floor
Why does the procedure of gently vibrating the force table allow the ring to discover its true equilibrium position (and thus indicate if the system is truly balanced)? Suppose that there is no problem with the ring getting hooked on the center post.
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