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A grating spectrometer is used to resolve second order peaks from two wavelengths of ?1 = 495.00 nm and ?2 = 495.71 nm. What is the minimum number of slits this grating must have to resolve these wavelengths?
A dentist uses a small mirror of radius 45 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 14 mm from the tooth, what is the magnification of the resulting image.
One car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 7.5m/s , What were the original speeds of the two cars
Whats the coefficient of the kinetic friction of the tire. What is the acceleration of the car.
A sinusoidal wave on a string is described by the wave function y = 0.19 sin (0.90x ? 62t) where x and y are in meters and t is in seconds. The mass per unit length of this string is 12.0 g/m. Determine speed of the wave. m/s. Determine wavelength of..
What will be the lowest possible temperature to which very dry air at T=40 C can be cooled by evaporation. Consider p=1000mb and lv constant and equal to 2.4 x 106 J kg-1.
A uniform can with mass M and height H is filled to the top with water. The initial mass of the water is 2M, What is the minimum height of the center of mass as the water drains out
A 6.30 x 10 -5 H solenoid is constructed by wrapping 54 turns of wire around a cylinder with a cross-sectional area of 6.4 x 10-4 m2. Determine the change in the length of the solenoid
A 93.0 kg bungee jumper jumps off a bridge and undergoes simple harmonic motion. If the period of oscillation is 11.2 s, what is the spring constant of the bungee cord
Using Faraday's Law, derive the self-inductance per unit length of a long (ideal) solenoid with n turns per unit length, and of radius R. How much energy is stored in this solenoid
A 6.00?kg ball is dropped from a height of 13.0m above one end of a uniform bar that pivots at its center. The bar has mass 7.50kg and is 6.80m in length. How high will the other ball go after the collision
Find the energy (in joules) of the photon that is emitted when the electron in a hydrogen atom undergoes a transition from the n = 5
A 19.0 -kg box is released on a 37 incline and accelerates down the incline at 0.30 m/s^2. Find the friction force impeding its motion
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