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An electron by a charge of -67 μC is on the left, in the middle a proton charged with 45μC, and on the right an electron with a charge of -83μC. The middle charge in 72 cm away from each of the outer. A) What is the net force of the middle charge? B) What is the net force of the left charge?
What is the magnitude of the magnitic filed.
what is the magnitude of the force between the two charges. The scale of vertical axis is set by vs = 5.10 m/s. What is the coefficient of kinetic friction between block and floor.
Stars spend their time on the main sequence converting hydrogen into helium. There are two sets of reactions that can take place within a star, supporting the fusion process. Describe the two reaction chains or cycles used for hydrogen fusion and wha..
A bicycle wheel of radius r = 0.5 m starts from rest and rolls 150 m without slipping in 30 s. Calculate the number of radians through which it turns
A horizontal desk surface measures 2.52 m x 2.05 m. If Earth's magnetic field has magnitude 0.463 mT, what is the magnetic flux through the desk surface
A ball is thrown straight up by a student at rest on the surface of Earth. A graph of the position y as a function of time t, in seconds, is shown above. Air resistance is negligible. What is the initial speed of the ball?
A 50.0-kg child stands at the rim of a merry-go-round of radius 2.10 m, rotating with an angular speed of 3.60 rad/s. What is the child's centripetal acceleration
Starting from rest, a 40 kg body reaches a speed of 8.0m/s in 2s. Calculate the force acting on the body?
A 1600 kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16430 N on the sub, with a downward resistive force of 1000 N. What is the submarine's acceleration.
A wooden plank is 5.00 meter long and supports a 75.0-kilogram block 2.00 meter from one end. find how much force is needed to support each end
A 528 Hz sound wave travels through a substance. What is the speed of sound in the substance
A uniform string of length is 2.5 m and mass 0.01 kg is placed under a tension 10N. What is the frequency of its fundamental mode?
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