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A charge, q1=5.00μC, is at the origin, and a second charge, q2=-3.00μC, is on the x-axis 0.800 m from the origin. Find the electric field at a point on the y-axis 0.500 m from the origin. The answer is: 1.66E5 N/C, 81.1°above the positive x-axis, but how?
there s a loop in between two charges. the charge to the left has a value of q. the charge to the right has a value of
The bridge over an irrigation channel is shown in the figure below. Th ebridge can be considered as a uniform concrete beam of length 30m and mass 20 tonnes. A heavily loaded small truck of mass 6 tonnes is pictured crossing the bridge.
A bumper car with mass m1 = 115kg is moving to the right with a velocity of v1 = 4 m/s. A second bumper car with mass m2 = 95 kg is moving to the left with a velocity of v2 = -3.7 m/s. The two cars have an elastic collision. Suppose the surface is fr..
Two 1.0g beads, each charged to +5.0nC are 2.0cm apart. A 2.0g bedcharged to -1.0nC is exactly halfway between them. What is the speed of the positive beads
A gamma ray disappears in the process of creating an electron-positron pair. If the kinetic energies of the electron and positron are each 2.0 MeV, what was the energy of the gamma ray
Two guitarists attempt to play the same note of wavelength 6.49 cm at the same time, but one of the instruments is slightly out of tune and plays a note of wavelength 6.52 cm instead. What is the frequency of the beat these musicians hear when the..
Dolphins of the open ocean are classified as Type II Odontocetes (toothed whales). How much time elapses before the dolphin hears the echoes of the clicks
A charge of 3.7C moves from the positive to the negative terminal of an 8.7V battery. How much energy does the battery impart to the charge
An ideal gas at 20 C consists of 2.2 X 10^{22} atoms. 4.3 J of thermal energy are removed from the gas. What the new temperature in C.
A family ice show is held at an enclosed arena. the skaters perform music with level 800 dB. this level is too loud for your baby, what is the total sound intensity that engulfs your
An athlete is in an 800 m running sprint race. One lap around the track is 400 m. What is the athlete's average speed during this first lap of the race
Explain how the definition of economic freedom changed after the Revolution and identify who benefited from the changes. Minimum 120 words
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