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A laser beam travels from air (n=1.002) into glass (n=1.522)and then into gelatin. The incident ray makes a 58 angle with the normal as it enters the glass and a 36.4 angle with the normal in the gelatin.
a. Determine the angle of the refracted ray in the glass.
b. Determine the index of refraction of the gelatin.
An electron with a speed of 3.6105m/s enters a uniform magnetic field of magnitude0.057T at an angle of 35° to the magnetic field lines. The electron will follow a helical path.
In hydraulic jacks,a car is placed at one end and force is applied on the other piston to lift it. if the areas of the pistons are A1 and A2 such that A2 > A1, in which end should the car be placed? why?
A vacuum cleaner is plugged into a 120-V socket and uses 3.0Aof current in normal operation when the back emf generated by the electric motor is 72V. Find the coil resistance of the motor.
The largest moon of Pluto, Charon, was discovered in 1979. Charon is in a circular orbit of radius 19,600 km around Pluto, What is the total mass of the Pluto-Charon system
A spacecraft is in orbit around a planet. The radius of the orbit is 2.9 times the radius of the planet (which is R = 71474 km). What is the period of the spacecraft's orbit
A merry-go-round with a moment of inertia equal to 1250 kg•m2 and a radius of 2.5 meter rotates with negligible friction at 1.70 rad/s. Compute what is her mass
A copper rod 87cm long is used to poke a fire. The hot end of the rod is maintained at 103%u2218C, What is the temperature of the rod 26cm from the cool end
question what is the wavelength in meters of photons with the following energies? in what region of the electromagnetic
a small conductive rod of length 1.5 m moves with a constant velocity v14 ms in a direction parallel to a long wire
christian ramirez a small 0.12kg metal ball is tied to a very light sting 0.80m long to form a pendulum that is then
Normally, women possess about 4.5 million red blood cells in each cubic millimeter of blood. If the blood flow through the heart is 250 milliliters per minute, how many red blood cells flow through a women's heart each second?
a 1200-kg car and a 2270-kg pickup truck approach a curve on the expressway that has a radius of 274m.at what angle
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