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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).
A 1.5 kg particle-like object moves in a plane with velocity components vx = 40 m/s and vy = 90 m/s as it passes through the point with (x, y) coordinates of (3.0, -4.0) m.
A 2.85 kg object is held in place on an inclined plane that makes an angle of 40 degrees with the horizontal. Calculate the initial acceleration of the system
a uniformly charged sphere has a potential on its surface of 450 v. at a radial distance of 9.2 m from this surface the
A 20.0- projectile is fired at an angle of 60.0 above the horizontal with a speed of 80.0 . At the highest point of its trajectory, the projectile explodes into two fragments with equal mass, one of which falls vertically with zero initial speed.
An automobile having a mass of 1,000 kg is driven into a brick wall in a safety test. The bumper behaves like a spring with constant 5.40 106 N/m and is compressed 3.58 cm as the car is brought to rest. What was the speed of the car before impact, as..
what phase difference between two otherwise identical traveling waves moving in the same direction along a stretched
A hollow cylinder (hoop) is rolling on a horizontal surface atspeed v = 1.95 m/s when itstarts up a 23.5° incline. How far along the incline will it go
A lead bullet with a mass of 0.03 kg traveling at 187 m/s strikes an armor plate and comes to a stop. what is the temperature change
A pot containing 1.10 liter of water, initially at 19°C, is placed on a 1081 W electric heating element. What is the minimum time required to boil all the water away
A bomb mass 7.2 kg goes off and splits into 3 pieces. The first piece has a mass of 1.1 kg and velocity of 9.5 m/s. What is the magnitude and direction of the velocity of the third piece
(a) Determine the distance of the final image relative to the converging lens. (b) What is the height of the final image (including the proper algebraic sign)?
An oscillator with a mass of 530 g and a period of .80 s has amplitude that decreases by 2 percent during each complete oscillation. At what time will the energy be reduced to 33 percent of its initial value.
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