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1) If the original electric field due to a charge is 8.0 × 105 N/C, determine the magnitude of the new electric field at twice the distance from the charge?
2) After you are done, assume a charged object was brought near the top of the electroscope and the leaves collapsed. Determine the sign of the charge on this object?
A toy cannon uses a spring to project a 5.24 gram soft rubber ball. The spring is originally compressed by 4.95 centimeter and has a force constant of 7.94 N/m. Determine at what point does the ball have maximum speed
A 2.00 kg mass is located at (4.00 m, 0.00 m, 0.00 m) and a 4.00 kg mass is located at (0.00 m, 3.00 m, 0.00 m). If this system of masses rotated about the X-axis perpendicular to the Z-Y plane, then the moment of inertia of this system is ?
Consider a bowling ball of mass, m=2kg, and radius, r=25cm. You can think of the bowling ball as a spherical shell. First consider the situation where you impart a linear velocity of, v= 5m/s to the ball (no spin) and let it go on the floor. Approxim..
A 785-kg two-stage rocket is traveling at a speed of 6.30×103m/s away from Earth when a predesigned explosion separates the rocket into two sections of equal mass that then move by a speed of 2.30×103m/s relative to each other along the original line..
Starting from the top and at rest a block slides down an inclined plane and has a velocity of 1.45 m/s at the bottom. Find the potential energy of the block at the top of the incline
Electric Field Mapping? A) In an experiment you will have carbon paper with silver electrodes painted on them. The paper acts like an insulator and the electrodes act like conductors. What should the field be inside the conductors? What about the pot..
A positive particle with charge 2Q is at the origin between two equal negative particles each with charge - Q, Draw an electric field line diagram of the three paricle system
The systems shown below are in equilibrium with m = 6.10 kg and θ = 35.0°. If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless.
an electron in an x-ray machine is accelerated through a potential difference of 1.00 X 10^4 V, What is the kinetic energy of the electron
A seismographic station receives S and P waves from an earthquake, separated in time by 16.8 s. Assume the waves have traveled over the same path at speeds of 4.50 km/s and 7.40 km/s. Find the distance from the seismograph to the focus of the quake.
the microwave radiation left over from the big bang explosion of the universe has an average energy density of 3.88
A woman of mass m = 50.9 kg sits on the left end of a seesaw-a plank of length L = 3.99 m, Find the normal force exerted by the pivot if the plank has a mass of mpl = 13.4 kg
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