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Two metal spheres, each of radius 5.0 cm, have a center-to-center separationof 3.20 m. Sphere 1 hascharge +1.10 10-8 C. Sphere 2 hascharge of -5.00 10-8C. Assume that theseparation is large enough for us to assume that the charge on eachsphere is uniformly distributed (the spheres do not affect eachother). Take V = 0 at infinity.
a) Calculate the potential at the point halfway between the centers.b) Calculate the potential on the surface of sphere 1.c) Calculate the potential on the surface of sphere 2.
A3.50kg object is attached to a spring and placed on a horizontal, smooth surface. A horizontal force of24.0N is required to hold the object at rest when it is pulled 0.200 m from its equilibrium position.
A 3-kg block is pulled along a FRICTIONLESS surface with a force of 42N. What is the force exerted on the 2-kg block by the 1-kg block
You throw a 25.0 rock into the air from ground level and observe that, when it is 12.0 high, it is traveling upward at 17.0, Use the work-energy principle to find the rock's speed just as it left the ground
An object is initially placed on the optical axis 21.2 cm to the left of a convex lens that has a focal length of 13.7 cm. what is the new image distance
A real heat engine working between heat reservoirs at 970. K and 650. K produces 550. J of work per cycle for heat input of 2200. J. Calculate the total entropy change of the universe
A convex mirror has a radius of curvature of 50.0 cm. A ruler (30.0 cm in length) is located 25.0 cm in front of the mirror and oriented at an angle of 90 degrees to the principal axis, as shown below. What are the a) location and b) height of the ..
A 1500kg weather rocket accelerates upward at 10m/s2. It explodes 1.9s after liftoff and breaks into two fragments, What was the speed of the heavier fragment just after the explosion
A railroad car of mass 3.3 104 kg moving at 4.50 m/s collides and couples with two coupled railroad cars, What is the speed of the three coupled cars after the collision
Heat flows into an ideal gas at a constant volume. The pressure increases from 1.5 atm to 5.5 atm. What is the total heat flow of the process
A highway patrolman sends a 24.150-GHz radar beam towards a speeding car. The reflected wave is lower in frequency by 4.04-kHZ
A major league pitcher can throw a baseball in excess of 42.9 m/s. If a ball is thrown horizontally at this speed, how much will it drop by time it reaches the catcher who is 18 m away from the point of release.
A 0.140-kg baseball is dropped and reaches a speed of 1.20 m/s just before it hits the ground and bounces. What is the change of the ball's momentum during the bounce
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