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Compute what speed must an electron have if its momentum is to be the same as that of an X-ray photon with a wavelength of 0.59 nanometer?
m/s
A bowling ball (mass = 7.2 kg, radius = 0.12 m) and a billiard ball (mass = 0.45 kg, radius = 0.028 m) may each be treated as uniform spheres
question the speed of light in a material is 0.77timesc. what is the critical angle in degrees of a light ray at the
A camper is trying to start a fire by focusing sunlight onto a piece of paper. The diameter of the sun is 1.39 × 109 m, What is the area of the sun's image on the paper
A 63 ohms resistor, an 8.4 uF capacitor, and a 36 mH inductor are connected in series in an ac circuit. Calculate the impedance for a source frequency of 300Hz
Suppose a particle with mass m is released from rest in a uniform gravity g, write down the relativistic equation of motion and find an expression that gives the relationship between velocity and time
Acharge of q= +7.50μC is located in an electric field. The x andy components of the electric field are Ex = 6.00 * 10^3 N/C and Ey= 8.00x 10^3 N/C, respectively, What is the magnitude of the force on the charge
Two identical diverging lenses are separated by 15 cm. The focal length of each lens is -8.0 cm. Determine the final image distance relative to the lens on the right
The electric output of a power plant is 700MW. Cooling water flows during the power plant at the rate 0.500 x 10^8L/hr. The cooling water enters the plant at 12.0ºC and exits at 27.0ºC. What is the power plant's thermal efficiency?
How many 104W lightbulbs can you use in a 113 V circuit without tripping a 17 A circuit breaker? (The bulbs are connected in parallel that means that the potential difference across each lightbulb is 113V.)
A rocket fires two engines simultaneously. One produces a thrust of 760N directly forward while the other gives a thrust of 517N at an angle 39.6 above the forward direction
6 - two equal masses of charge 36 nC each are suspended at the end of two 1-m strings of negligible mass, The ropes make and angle of 5 with respect to each other
Inside a sealed wooden box of mass M there hangs, by a thread of negligible mass, a lead pellet also of mass M. What is the acceleration of the center of mass of the system of box
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