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A glass window pane has an area of 3.0m^2 and a thickness of .60 cm. If the temperature difference between its faces is 25 degree C, how much heat flows through the window per hour?
A photon is emitted when a hydrogen atom undergoes a transitionfrom the n = 5 state to the n = 3 state. Calculate the energy (in electron volts) of the emitted photon
A standing wave is set up by reflecting radio waves from a large, flat metal dish. What is the frequency of the radio waves
Find the total power radiated out into space by the Sun assuming it to be at a temperature of 5500 K and the emissivity is 1
Coherent light from a sodium-vapor lamp is passed through a filter that blocks everything except for light of a single wavelength. find the wavelength of the light that falls on the slits
Object A is metallic and electrically neutral, Object B is identical to object A and is also electrically neutral, It is charged by induction so that it acquires a charge of +3.18E-6 C
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.70 1011 m apart, What is the mass of the smaller star
An electron, starting from rest, accelerates through a potential difference of 779 V. What is the final de Broglie wavelength of the electron
Heat is extracted from a certain quantity of steam at 100 degrees celsius. Thus the steam changes into ice at 0 degrees celsius. If this energy were used to accelerate the ice from rest, what would be the linear speed of the ice.
At its highest temperature, a space heater has a resistance of 15.5 ?, What is the average power output of the space heater
A proton in the upper atmosphere moves at 8.6×105m/s , perpendicular to Earth's magnetic field, Find the curvature radius of the proton's trajectory
A soccer player kicks a ball toward a wall 15.0 m away, with velocity 25.0 m/s at 30.0 above the horizontal. Determine how high up the opposite wall the ball hits, and nd the impact velocity
A uniform cylinder of radius 11 cm and mass 24 kg is mounted so as to rotate freely about a horizontal axis that is parallel to and 4.6 cm, What is the rotational inertia of the cylinder about the axis of rotation
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