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The drawing shows two situations in which charges are placed on the x and y axes. They are all located at the same distance of 8.50 cm from the origin O. For each of the situations in the drawing, decide the magnitude of the net electric field at the origin.
If the pressure of the 1.2-cm3 volume is reduced to 1.2 × 10?11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container
A student (m=63 kg) falls freely from restand strikes the ground. During the collision with the ground, hecomes to rest in a time of 0.010 s. From what height did the student fall
what is the relationship between the charges on the electrodes of a cylindrical capacitor? choose the answer 1. larger
q1. a 500 g rubber ball is dropped from a height of 10 m and undergoes a completely elastic collision with the earth.a
A charge of -2.05 nC and a charge of -6.20 nC are separated by a distance of 70.0 cm. Find the position at which a third charge of +7.20 nC can be positioned ( from the -2.05 nC charge) so that net electrostatic force on it is zero.
A concave mirror used by a person who is shaving or applying makeup creates a virtual image of the face that is 1.60 times larger than the person's actual face, Determine the image distance and focal length
The two positively charged protons in a helium nucleus are separated with about 2.0*10^-15m. Use coulombs law to find the electric force or repulsion among the two protons. The result will give you an indication of the strength of the strong nuclear ..
Steam enters an insulated pipe at 200 kPa and 200 degrees C and leaves at 250 kPa and 150 degrees C. The inlet-to-outlet diameter ratio for the pipe is D1/D2=1.80. Determine the inlet and exit velocities of the steam.
Assuming that the ball's initial velocity was 45° above the horizontal and neglecting air resistance, what does the initialspeed of the ball need to be to produce such a home run if the ballis hit at a point 1.0 m(3.3 ft) above ground level? Assum..
A satellite is found to be in an orbit about Planet X such that the period of the orbit matches the rotational period of the planet about its axis, namely 25.2 days. find at what distance from the center of the planet is the satellite orbiting
Alpha particles (charge = +2e, mass = 6.68* 10^-27 kg) are accelerated in a cyclotron to a final orbit radius of 0.50 m. Determine the kinetic energy of an alpha particle in the final orbit
design of open channels - to protect cities from flooding during heavy rains open channels are sometimes constructed to
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