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What is the speed of an electron that is released from rest and accelerated through a potential difference of 160 volts?
hint: consider conservation of energy.
A spring is resting vertically on a table. A small box is dropped onto the top of the spring and compresses it. Determine the magnitude of the spring's displacement at an instant when the acceleration of the box is zero
superkid finally fed up with superbullys obnoxious behaviour hurls a 1.95-kg stone at him at 0.547 of the speed of
Units of km
A sodium atom (Z = 11) contains 11 protons in its nucleus. Strictly speaking, the Bohr model does not apply, determine the corresponding radius r of the outermost Bohr orbit
The yellow light from a helium discharge tube has a wavelength of 587.5 nm. calculate the number of lines per centimeter on the grating
A small but measurable current of 1.2*10^-10 A exists in a copper wire whose diameter is 2.5mm compute the current density and the electron drift speed.
Which of the following sets of variables result in a linear graph when plotted? (Choose as many as two)
a 15kg child stroller is moving towards you with a speed of 2.5m/s. how much work is required to stop the stroller
A platform is rotating with an angular speed of 3.00 rad/s and an angular acceleration of 11.0 rad/s2. what is the magnitude of the total acceleration a
Find the maximum displacement of the 100,000 kg sace station if the astronaut's motion has an amplitude of 0.100 m.
a mass m1 on a horizontal shelf is attached by a thin string that passes over a frictionless pulley to a 2.5 kg mass m2
Calculate the rates of solar heating
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