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The ammonia molecule NH3 has a permanent electric dipole moment equal to 1.47 D, where 1 D = 1 debye unit = 3.34 x 10-30 C-m. Calculate the electric potential in volts due to an ammonia molecule at a point 65.0 nm away along the axis of the dipole. (Set V = 0 at infinity.)
A car alarm is emitting sound waves of frequency 520Hz. How fast must you be traveling if you detect a frequency of 490 Hz?Enter your speed as a positive number. Take the speed of sound to be 344
A steel wire strung between two supports is initially horizontal when there is no tension on it. When a 9.5 kg painting is hung on the wire, the wire makes a 25° angle to the horizontal, as shown. Illustrate what is the diameter of the wire?
A rod moving in the positive x direction is measured by a stationary observer to have a length of 10.0meters and to be oriented at an angle of 70.0 degrees with respect to the positive x axis
during an earthquake the top of a building oscillates with an amplitude of 30cm at 1.5hz.part a what is the magnitude
To determine the location of her center of mass, a physics student lies on a lightweight plank supported by two scales 2.50m apart, find the distance from the student's head to her center of mass
An electron is accelerated from rest by a potential difference of 440 V. Calculate the radius of its path in the magnetic field
Tension is maintained in a string by attaching one end to a wall and by hanging a 2.06 kg object from the other end of the string after it passes over a pulley that is 2.12 m from the wall. What is the fundamental frequency of the string
alan leaves la at 8am to drive to sf 400mls away. he travels at a steady 50mph. beth leaves la at 9am and drives a
A roller coaster, loaded with passengers, has a mass of 1500kg; the radius of curvature of the track at the bottom point of thedip is 24 m. what force is exerted on the vehicle by the track
A 1.35 block is attached to a spring with spring constant 14. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 50. What are The block's speed at the point where = 0.750 A.
One component of a metal sculpture consists of a solid cube with an edge of length 0.211 m. Find the cube\'s mass
question calculate the electric field at the center of a square 53.7 cm on a side if one corner is occupied by a 38.5
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