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A train on a straight, level track has an initial speed of 37.0 km/h . A uniform acceleration of 1.10 m/s2 is applied while the train travels 210 meters. What is the speed of the train at the end of this distance? How long did it take for the train to travel the 210 m?
A series circuit consists of an AC source of variable frequency, a 150 ohm resistor, a 1.55 uF capacitor and a 4.56 mH inductor. Find the impedance of this circuit when the angular frequency of the AC source is adjusted to (a) the resonance angular f..
A hypothertical 30 cm long arm. For the purposes of answering this question assume that the arm itself is weightless. what is the maximum mass that can be held in the hand if the muscle is attached 2 cm from the bleow
It is said that Galileo discovered a basic principle of the pendulum - that the period is independent of the amplitude - by using his pulse to time the period of swinging lamps in the cathedral, How long is the lamp chain
One end of a uniform rod of length 4L and weight Fg is supported by a cable. Determine the minimum distance, x from the wall, at which an additional object of weight Fg can be hung without causing the rod to slip
A sled is dragged along a horizontal path at a constant speed of v = 1.52 m/s by a rope that is inclined at an angle of ? = 30.3° with respect to the horizontal
What should be the length of an organ pipe, open at both ends, if the fundamental frequency is to be 264.5 Hz
The NO molecule has a doubly degenerate electronic ground state and a doubly degenerate excited state at 121.1 cm^-1. Calcuclate the electronic contribution to the molar heat capacity of the molecule up to 500K.
A solid spherical ball rolls 7.0 meters without slipping along a ramp inclined at 35 degrees to the horizontal
A Proton is located at x=2.0 nm, y=0.0 nm and an electron is located at x=0.0nm, y=4.0 nm. Find the attractive Coulombic force between them
A child is pushing a merry-go-round. The angle through which the merry-go-round has turned varies with time according to ?(t)=?t+?t3, What is the initial value of the angular velocity
Four charges are placed in a three-dimensional space. The charges have magnitudes 2 nC, -4 nC, 1 nC, and -9 nC. If a Gaussian surface encloses all the charges, what will be the electric flux through that surface?
A photon whose energy is 1.3 x 10^-14 J is scattered off an electron at an angle of 50 degrees
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