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Derive an expression for the shift in lambda in the peak wavelength of the planck function for a black body temperature T, corresponding to a small shift in temperature.
An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp.
A car travels at a constant speed around a circular track whose radius is 2.6 km. compute the magnitude of the centripetal acceleration of the car
Take the mass of the sun to be m_s = 1.99×1030 {rm kg}, gravitational constant to be G = 6.67×10-11 {rm N} cdot {rm m^2/kg^2}, and an acceleration due to gravity at the earth's surface to be g = 9.810 {rm m/s^2}.
A car moving at 37 m/s approaches a stationary whistle that emits 270 Hz sound. The speed of sound is 347 m/s. What is the frequency of sound heard by the driver of the car.
A 0.144 kg baseball is moving towards home plate with a speed of 43.0 m/s when it is bunted. The bat exerts an average force of 6.50 Ã? 103 N on the ball for 1.30 ms, What is the final speed of the ball
A basketball leaves a player's hands at a height of 2.20m above the floor. what is the range of initial speeds allowed to make the basket
a dog walking quickly away from a motion detector. Draw a velocity graph that could represent this motion
If the activation energy for the vacancy formation is given as 0.77 eV for aluminium at (650 degrees Celcius) ^3, what would be the number of vacancies at 650 degrees Celsius? The atomic weight and the density of aluminium is 26.98 g/mol and 2.62 ..
A 350 g piece of metal at 100C is dropped into a 100 g aluminum cup containing 500 g of water at 15C. What is the specific heat of the metal
Water flows at 0.25L/s through a 7.0-m-long garden hose 2.0cm in diameter that is lying flat on the ground. What is the gauge pressure of the water where it enters the hose
A car of mass 1.8 x10^3 kg is travelling east at a speed of 28m/s along a horizontal roadway. When its brakes are applied, the car stops in 5.8s. What is the average horizontal force exerted on the car even as it is braking.
A man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0 degrees, Find the vertical component of the force
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