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Solve the all parts of given problem:
Problem: Two 10-cm-diameter charged rings face each other, 18cm apart. The left ring is charged to -30nC and the right ring is charged to +30nC.
Part A: What is the magnitude of the electric field at the midpoint between the two rings?
Part B: What is the direction of the electric field at the midpoint between the two rings?
Please show all work to find the magnitude of the electric field at the midpoint between the two rings.
A 10.5 kg uniform board is wedged into a corner and held by a string at a 50 degree angle. Determine the tension in the string. Hint: take torques about the corner and assume any length for the board.
a bicycle is racing around on a horizontal surface in a circle of radius 16 m. the force exerted by the road on the
A Volleyball is spiked so that it has an initial velocity of 15 m/s directed downward at an angle of 55 degrees below the horizontal. Find the horizontal component of the ball’s velocity when the opposing player fields the ball?
A plate of glass with parallel faces having a refractive index of 1.57 is resting on the surface of water in tank. A ray of light coming from above in air makes an angle of incidence 34.5 degrees with normal to the top surface of the glass.
A swimmer heading directly across a river 200 m wide reaches the opposite bank in 6 min 40 s. She is swept downstream 480 m. What is the speed of the current
A 0.55kg bullfrog is sitting at rest on a level log. How large is the normal force of the log on the bullfrog
A converging lens with a focal length of 31 cm is used to form an image on a screen that is 2.7 m to the right the lens. Where must the object be placed
A hollow cubical box is 0.109 meter on an edge. This box is floating in a lake with 1/4 of its height beneath the surface. Calculate the depth of the water in the box
A laser beam shines onto a slit of width 0.1 mm and the diffraction pattern is projected onto a screen 2 m from the slit. what is the wavelength of the laser beam
The boiling point of liquid hydrogen is 20.3 K at atmospheric pressure. What is this temperature on the Fahrenheit scale?
The charging circuit for the flash system of a camera uses a 130 muF capacitor that is charged from a 250V power supply. What is the most resistance that can be in series with the capacitor if the capacitor is to charge to at least 86% of its final..
At a certain location, the horizontal component of the earth's magnetic field is 4.90 10-5 T, due north. A proton moves eastward with just the right speed, so magnetic force on it balances its weight. Find the speed of the proton.
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