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A 6.60 capacitor that is initially uncharged is connected in series with a 4700 resistor and a 505 emf source with negligible internal resistance. A long time after the circuit is completed (after m
What is the magnitude of each fixed charge in coulombs? What is the magnitude of each fixed charge as a multiple of the electron's charge?
A point charge q1 =-5.00 nC is at the point x=1 meters, y=2 meters. A point charge q2=+10 nC is at the point x = 2 meters, y=0. (a) Calculate the electric potential at the origin due to q1.
A projectile of mass 0.831 kg is shot straight up with an initial speed of 28.9 m/s. If the projectile rises to a maximum height of only 7.27 m, determine the magnitude of the average force due to a
How can you relate the flow of electrical current through a resistor to the production of thermal energy? Describe what happens on an atomic and molecular level.
A projectile of mass 0.831 kg is shot straight up with an initial speed of 28.9 m/s. (a) How high would it go if there were no air resistance?
A 0.15 kg particle moves along an x axis according x(t) = -13 + 2t + 4t2 - 3t3, with x in meters and t in seconds. Give an expression for the (a) x, (b) y and (c) z components of the net force (in N
How high was the bridge? (Include any formulas/equations used, show your substitution into any formula/equation used, and show the answer resulting from your substitution into any formula/equation u
When you last stopped, you noticed that the snow was coming down vertically, but it is passing the windows of the moving car at an angle of 34{\rm ^\circ} to the horizontal. (a) Estimate the speed o
A metal sphere of radius a is surronded by a metal shel of inner radius b and outer radius R. the flux through a spherical gaussian surface just outside radius R is 2Q/e, and the flux through a sphe
A point charge with charge = 4.00 is held stationary at the origin. A second point charge with charge = -4.10 moves from the point ( 0.105 , 0) to the point ( 0.270 , 0.245 ). How much work is done
A rowboat crosses a river with a velocity of 3.95 mi/h at an angle 62.5° north of west relative to the water. The river is 0.605 mi wide and carries an eastward current of 1.25 mi/h. How far ups
As the bus rounds a flat curve at constant speed, a lunch box with a mass of 0.530 suspended from the ceiling of the bus by a string of length 1.79 is found to hang at rest relative to the bus when
Determine the spatial separation between the two isotopes after they have traveled through a half-circle.
A hurricane wind blows across a 7.0 m multiplied by 10.0 m flat roof at a speed of 120 km/hr. (Take the density of air to be 1.28 kg/m3.) (a) What is the pressure difference?
For each of the motions described below, determine the algebraic sign (+, -, or 0) of the velocity and acceleration of the object at the time specified. For all of the motions, the positive y axis i
An electron in a cathode-ray tube is traveling horizontally at 2.60×109 cm/s when deflection plates give it an upward acceleration of 5.30 × 1017 cm/s^2.
A projectile is fired from ground level at time t = 0, at an angle theta with respect to the horizontal. It has an initial speed v_0. In this problem we are assuming that the ground is level.
Find the magnitude and direction (relative to due east) of the displacement that the duck undergoes in 4.0 s while the forces are acting.
If a plywood box designed to store an unmanned air vehicle, has length-width-height dimensions of (3.0 x 2.0 x 1.0) ft and is made from 3/4" medium density fiberboard (MDF) weighing 48 lb/ft^3. What
An ideal refrigerator or an ideal heat pump is equivalent to a Carnot engine running in reverse. That is, energy Qc is taken in from a cold reservoir and energy Qh is rejected to a hot reservoir. Fi
A certain air-gap, parallel plate capacitor can store no more than 0.026 J of electrical energy before breaking down. How much energy can this capacitor store without breaking down after the gap bet
A jungle veterinarian with a blowgun loaded with a tranquilizer dart and a sly 1.50 monkey are each 25.0 above the ground in trees 90.0 apart. Just as the hunter shoots horizontally at the monkey, t
When the Sun is directly overhead, a hawk dives toward the ground with a constant velocity of 5.10 m/s at 67.0° below the horizontal. Calculate the speed of her shadow on the level ground.
A copper ball with a radius of 1.7cm is heated until its diameter has increased by 0.17mm .Assuming an initial temperature of 23 degrees, find the final temperature of the ball.