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Two point charges are fixed on the y axis: a negativepoint charge q1 = -28µC at y1 = +0.25m and a positive point charge q2 aty2 = +0.33 m. A thirdpoint charge q = +8.1 µC isfixed at the origin. The net electrostatic force exerted on thecharge q by the other two charges has a magnitude of26 N and points in the +ydirection. Determine the magnitude of q2.
A hypodermic syringe contains a medicine with the density of water, Determine the medicine's flow speed through the needle
The distance between 2 slits (d=0.155 mm) and a screen is 1.54 m. If the spacing between the 2nd order bright fringe and the 3rd order dark fringe is 3.50 mm obtain the wavelength of the light
When 3880 J of heat are added to a 0.159-m-long silver bar, its length increases by 4.31 x 10-3 m. What is the mass of the bar
A rock is travelling in a horizontal circle due to a string with a tension of 100.5 N that is 2.0 m long. What is the tangential speed of the rock
A playground is on the flat roof of a city school, 4.6 m above the street below (see figure). The vertical wall of the building is h = 6.10 m high, forming a 1.5-m-high railing around the playground. Find the vertical distance by which the ball cle..
The equation of a transverse wave traveling along a very long string is y = 7.20 sin(0.0782?x+ 3.62?t), where x and y are expressed in centimeters and t s in seconds. Determine (a) the amplitude, (b) the wavelength, (c) the frequency, (d) the speed
Two protons, moving in a plane perpendicular to a uniform 510 G magnetic field, How much time elapses before they collide again
A member of an aircraft maintenance crew wears protective earplugs that reduce the sound intensity by a factor of 350. When a jet aircraft is taking off.
What are the components of displacement vector from camp to summit? What is its magnitude? Decide the x axis east, y axis north, and z axis up.
Point A is located 0.259 m away from a charge of -2.11 x 10-9 C. Point B is located 0.487 m away from the charge. What is the electric potential difference VB - VA between these two points.
A 0.400 kg soccer ball approaches a player horizontally with a speed of 11.0 m/s. What impulse was delivered to the ball by the player
A wind turbine is initially spinning at a constant angular speed. As the wind's strength gradually increases, What is the initial angular velocity of the turbine
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