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A: two point charges are located on the y axis as follows: charge q1 = -1.50nC at y1 = -0.550m , and charge q2 = 4.10nC at the origin (y = 0). What is the magnitude of the net force exerted by these two charges on a third charge q3 = 7.50nC located at y3 = 0.350m ?
Light of wavelength 450 nm falls on the 0.48 mm wide slit and forms a diffraction pattern on a screen 1.1 m away.
A loudspeaker of mass 20.00 {rm kg} is suspended the distance of h = 2.40 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.50 {rm m}.
The pyramid depicted in the figure contains approximately 2.20 million stone blocks that average 3.00 tons each. Find the weight of this pyramid in pounds. (Please provide numerical answer in lbs)
How rapidly atom are assembled in this protein synthesis
A 300 kg piano slides 4.50 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40.
Two loudspeakers are placed at either end of a gymnasium, both pointing towards each other. The sound emitted by the speakers is in phase and are of frequency of 256 Hz.
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of -0.6020 N when separated by 50 cm, center-to-center.
The radius of Earth is about 6.38 multiplied by 10^3 km. A 7.02 multiplied by 10^3 N spacecraft travels away from Earth. What is the weight of spacecraft at the following distances from Earth's surface: 6.38 times 10^3 km and 1.4 times 10^4 km.
The car and minivan collide and stick together. Suppose the direction of the wreckage after the impact is 42.0° above the x axis.
You work for a moving company and are given the job of moving two crates (masses are 130kg and 280kg) held together by a rope attached between the two. You pull on a rope attached to the larger crate giving the system the acceleration of 0.29m/s2. Wh..
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +10q. Sphere B carries a charge of -7q. Sphere C carries no net charge.
A turtle ambles leisurely-as turtles tend to do-when it moves from a location with position vector r1,x = 1.49 m and r1,y = -2.77 m in a lettuce garden to another location, with position vector r2,x = 3.77 m and r2,y = -4.19 m, where the lettuce a..
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