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Light of wavelength 56 ionizes a hydrogen atom that was originally in its ground state. What is the kinetic energy of the ejected electron? Express your answer to two significant figures and include the appropriate units.
E=
Two pots are identical except that the flat bottom of one is aluminum, whereas that of the other is copper. find the temperature of the heating element on which the copper bottom rests
A spherical balloon has a radius of 7.35m and is filled with helium. Determine the largest mass of cargo the balloon can lift
An object has a kinetic energy of 275 J and a momentum of magnitude 25.0 kg * m/s. Find the speed and mass of the object
A box of mass of mass 2 kg is placed on a spring such that when the box is released, the spring will push the box directly upward. what is the maximum height the box will reach
A concave makeup mirror is designed so that a person 26 cm in front of it sees an upright image magnified by a factor of two
Luigi wishes to suspend a lantern of mass m between his store and a telephone pole. THe cable attached to his store makes an angle (theta) to the wall. The cable to the telephone pole is horizontal.
If the particle is sent back through the magnetic field (along the same initial path) but with 1.66 times its previous kinetic energy, how much time does it spend in the field during this trip
Two tuning forks have frequencies of 272 Hz and 294 Hz. What is the beat frequency if both tuning forks are sounded simultaneously
Steam at 100°C is added to ice at 0°C. Find the amount of ice melted and the final temperature when the mass of steam is 14 g and the mass of ice is 54 g. g °C
An AC source operating at 60 Hz with a maximum voltage of169 V is connected in series with aresistor (R = 1.4 k) and acapacitor (C = 2.5 µF). What is the maximum value of the current in the circuit? What are the maximum values of the potential diff..
A satellite moves in a circular orbit around the Earth at a speed of 5680 m/s. Determine the period of the satellite's orbit
Baseball and the Washington Monument On August 25, 1894, Chicago catcher William Schriver caught a baseball thrown from the top of the Washington Monument, What was the ball's direction of motion when caught
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