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(1) Electric field lines: There are two uniform electric fields: E1 is in the positive x direction with 100 N/C, and E2 is in the positive y direction with 50 N/C. How would you draw the electric field lines for these two electric fields? (You may use the scale of 1 line per 2 cm is for 10 N/C).
(2) Electric flux: A uniform electric field is 100 N/C in the positive x-direction. What is the electric flux of this field passing through an area of 25 cm^2 that is in the x-y plane?
(3) Gauss's law and more: There is a point charge, 50 micro C, at the center of a conducting spherical shell (with net charge of zero) of an inner radius 10 cm, and an outer radius of 15 cm. Describe the electric field lines inside the cavity (r < 10 cm), inside the conducting shell (10cm<r<15cm), and outside the shell (r>15 cm).
If the golf club is in contact with the ball as it is accelerated over an interval of 1.11 cm, estimate the average force exerted on the ball by the club
A projectile is shot from the edge of a cliff 125 m above the ground level with an initial speed of 65.0 m/s at an angle of 37 degree above th horizontal. find the position vector of the projectile when it reaches it maximum height above the top of..
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 67.2° above the horizontal. The rocket is fired toward an 11.0 m high wall, By how much does the rocket clear the top of the wall
One of the limitations on the design of modern windmills for the generation of electricity is that the tip of the blades must not exceed the speed of sound in air, What is the acceleration of the blade tips
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A ball is dropped from a height of 1.50 m and rebounds to a height of 1.20 m. Approximately how many rebounds will the ball make
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Two 1.5 V batteries connected in a series to a 5 ohm resistor produce a 0.7 A current Find the internal resistance of batteries
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Estimate how many times planet has orbited its star
How long does it take electrons to get from a car battery to the starting motor? Assume the current is 340 A and the electronstravel through a copper wire with cross-sectional area 0.21cm2 and length 0.85 m.
Consider a Hydrogen atom with the electron in the n = 8 shell. What is the energy of this system, How many subshells are in this shell
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