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A particles have charges q1 = -q2 = 450 nC and q3 = -q4 = 95 nC, and distance a = 5.8 cm. What are the (a) x and (b) y components of the net electrostatic force on particle 3?
There are some people who believe that Earth has a twin that orbits directly opposite the sun with exactly the same orbital elements and in the saem direction and thus unseen from Earth. The two planets are exactly 180 degrees opposed when they oc..
The block starts at the top of the wedge at 1.2 m. Find out the final speeds of a block and the wedge once the blook has slid to the bottom.
A proton is moving through a magnetic field of strength 2 kT with a speed of 2.5*10^8 m/s, what is the angle between the proton's velocity and the direction of the field
A nitrogen molecule is confined in a cubic box of volume 1.00 m3. Assuming that the molecule has an energy equal to 3/2kT , what is the value of n=(n_x^2+ n_y^2 +n_z^2)^1/2 for this molecule? What is the energy separation between the levels n and n +..
A space freighter has a total mass of 1.00*10^6 kg. The captain wants to travel to a destination 1.00 light years away in 12 years, Approximately how much mass must be converted energy
questiona student standing on a stationary skateboard tosses a textbook with a mass of mb 1.55 kg to friend standing
A proton accelerates from rest in a uniform electric field of 690 N/C. At one later moment, its speed is 1.30 Mm/s, What is its kinetic energy at the end of this interval
q1. at one point in a pipeline waters speed is 3.30 ms and the gauge pressure is 4.00times104 pa. find out the gauge
The two parallel plates in the figure below are 2.0 cm apart and the electric field strength between them is 2.1 104 N/C. An electron is launched at a 45° angle from the positive plate. What is the maximum initial speed v0 the electron can have witho..
Five thousand joules of heat is put into a Carnot engine whose hot and cold reservoirs have temperatures of 600 and 200 K, respectively. How much heat is convertedd into work?
A rower can row at 3.77 m/s in still water. He wants to row directly across a river 252 wide with a constant current of 1.33 m/s. calculate how long will it take him to cross the river
question1a plane leaves the airport in galisteo and flies 170 km at 68deg east of north and after that changes
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