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Consider a closed triangular box resting within a horizontal electric field of magnitude E = 8.24 104 N/C
a) Calculate the electric flux through the vertical rectangular surface of the box.b)Calculate the electric flux through the slanted surface of the box.c) Calculate the electric flux through the entire surface of the box.
A pendulum is 1.20 metres long. What is the speed of the bob when it passes by its equalibrium position if it is pulled aside until it makes an angle of 25 degrees to vertical.
A 1.85 kg mass is attached to a light cord that is wrapped around a pulley of radius 2.55 cm, Find the moment of inertia of the pulley
A child sits on the edge of a spinning merry-go-round that has a radius of 2.9 m. What is the child's acceleration
A 0.140-kg baseball is dropped from rest. It has a speed of 1.20 m/s just before it hits the ground. what is the average force exerted by the ground on the ball
A particle with a charge of q = -5.00 nC is moving in the uniform magnetic field of vec{B}=( -1.20 T ) hat{z}. The magnetic force on the particle is measured to be vec{F}= ( -7.60×10-7 N )hat{y}.
A uniformly charged plastic disk has a radius of 0.270 m. At what distance from the center along the central perpendicular axis is the magnitude of the electric field equal to one-half the magnitude of the field at the center of the surface of the di..
You can hear beats when two tuning forks are sounded together. The tuning forks have labels showing them to be 242 Hz and 248 Hz frequencies
A roller coaster, loaded with passengers, has a mass of 2,000 kg; the radius of curvature of the track at the TOP point before the dip is 24 m. what force is exerted on the vehicle by the track
An electron is confined in a one-dimensional box. Two adjacent allowed energies of the electron are 2.8x10^-19 J and 3.5x10^-19 J. What is the length of the box
A generator with an rms voltage of 15\30V is connected in series to a resistor 3.25 kilo-ohm and a capacitor 3.50 microfarad. Using the frequency found in part A, find the average power consumed by this circuit
A ball of weight 1.5 N is thrown at an angle of 30° above the horizontal with an initial speed of 12 m/s. the net force (ignoring air resistance) on the ball is:
Two capacitors are connected to a battery. The battery voltage is V = 90 V, and the capacitances are C1 = 2.00 ?F and C2 = 4.00 ?F. Determine the total energy stored by the two capacitors
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