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A gratign spectrometer while in a vaccum on Earth sends 500nm light off at angle 20.0 degrees in first order spectrum, on planet mongo the same light is deffracted 18.0degrees, determin the index of refration of the mongoian atmosphere?
Suppose that the net horizontal force is because of rolling friction only and take the free-fall acceleration to be g = 9.80 m/s^2. What is the coefficient of friction for the tire under low pressure.
A block of iron is suspended from one end of an equal-arm balance by a thin wire. To balance the scales, 8.05 kg are needed on the scale pan at the other end. What is the volume of the block
One fragment, whose speed immediately after the explosion is zero, falls vertically. Illustrate what is the horizontal speed of the other fragment?
A 50-kg pole vaulter running at 14 m/s vaults over the bar. Her speed when she is above the bar is 1.7 m/s. determine her altitude as she crosses the bar
A solid metal sphere of radius a= 1.30 cm is surrounded by a concentric spherical metal shell of inner radius b= 2.50 cm and outer radius c= 3.00 cm. What is the surface charge density, sigmac, on the outer surface of the outer spherical conductor
A room with dimensions is to be filled with pure oxygen at 22.0 and 1.00 . The molar mass of oxygen is 32.0. What is the mass of this oxygen
A 5000kg satellite orbits earth at a distance of 35,000km above the surface of the earth. Calculate its velocity and its period
A 0.250 m radius, 500-turn coil is rotated one-fourth of a revolution in 4.17 ms, originally having its plane perpendicular to a uniform magnetic field. (This is 60 rev/s.) Find the magnetic field strength needed to induce an average emf of 10,000 V
An amusement park ride consists of a swing hanging from a chain attached to a spinning mechanism. The swing forms a horizontal circle of a radius 5.0 m and the chain makes an angle of 25 degrees from vertical as shown in the diagram. If the mass of t..
An electron is moving in the +y direction at 4.7 x 105 m/s when it encounters a magnetic field of 2.5 T coming out of the page. What is the magnetic Force (FB) acting on the electron
X-rays having an energy of 300 keV undergo Compton scattering from a target. The scattered rays are detected at 37.0° relative to the incident rays. Find (a) the Compton shift at this angle, (b) the energy of the scattered x-ray, and (c) the energ..
Two people on ice skates are at rest and stand facing each other. They then push each other away. The mass of the person on the left is 90 kg. Which person has the higher speed
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