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Three point charges are arranged along the x axis. Charge q1= = -4.50nC is located at x=.25m and charge q2=3.00nC is at x=-0.330m. a positive charge q3 is located at origin.A)What must the value of q3 be for the net force on this point charge to have magnitude 4.10microNB)What is the direction of the net force on q3?C)Where along the x-axis can q3 be placed and the net force on it be zero, other than the trivial answers of x=+infinity and x=-infinity
A very distant galaxy has an apparent bolometric magnitude of +23.5. Determine the measured flux of photons
toad make use of resonance in a closed tube to produce very loud sound the tube is its swin bladder used as an amplifier the sound level of the creature has been measured as 71dB calculate the intensity of the sound
q1. two diodes and a resistor are placed in a single loop circuit connected to an ac generator. the diodes are
What is the maximum speed the car can have at point B for the gravitational force to hold it on the track.
A Sphere on a Horizontal Surface starts from Rest. If the Force is applied facing to the Right at the Top furthest Point of the Sphere from the Horizontal Surface, the Sphere will start experiencing Roll and Slip at the same time. In which directi..
An arrow, starting from rest, leaves the bow with a speed of 26.6 m/s. If the average force exerted on the arrow by the bow were tripled, with what speed would the arrow leave the bow
A diver springs upward from a board that is 2.95 meters above the water. At the instant she contacts the water her speed is 8.53 m/s, Determine her initial velocity
A buzzer generates a sound by vibrating with a frequency of 440 Hz in air. If this buzzer is placed under water, What frequency would a fish hear
Cheetahs, fastest of the great cats, can reach 45 in 2 starting from rest. Assume that they have constant acceleration throughout that time, find their acceleration (in (a) and (b) ) and the distance (in (c) and (d) ) Q2. They travel during that t..
Light of wavelength 4.80 102 nm illuminates a pair of slits separated by 0.270 mm. find the distance between the first and second dark fringes
q1. consider the gas consisting of a large number of non-interacting particles in which energy of each particle can
A pinhole camera takes a picture of a building 200 m tall. If the height of the image on the back of the camera is 5 cm tall, how far is the camera from the building
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