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A negative charge orbits a positive charge. The orbit is a perfect circle. The radius is 100 meters. The magnitude of each charge is one third of a coulomb. The mass of the negative charge is 1 X 10^5kg. What is the period of the orbit of the negative charge?
A 4.5m long, non uniform beam weighing 750N, supported by two weighing cables, is at rest in horizonal position as shown . The cable on the right has a tension of T1=650 N.
A pendulum of length 9.00 m is held out to point A. At the vertical position, an overhang effectively cuts the length of the pendulum by an amount equal to 3m. (That is, 3.0 m is no longer free to swing.) How long does this pendulum take for one o..
A car travels north at 28.9 m/s for 14.3 min. It then travels south at 40.1 m/s for 28.5 min. a) What is the total distance the car travels? b) What is the displacement of the car?
The bullet first passes through the left disk and then through the right disk. It is found that the angular displacement between the two bullet holes is θ = 0.320 rad. From these data, evaluate the speed of the bullet.
The specific heat capacity of the material use to make the block is C resolve the temperature rise that results from the collision in terms of C and the other given quantities.( suppose that no energy is transferred to the track or the surrounding..
A certain string just breaks while it is under 25 N of tension. A boy uses this string to whirl a 0.75-kg stone in a horizontal circle of radius 2.00 m. The boy continuously increases the speed of the stone. At about what speed will the string bre..
find out the magnitude of force exerted on the lower end of the boom by the hinge.
A massless string is wrapped around a solid disk of mass m_1 and tied to a block of mass m_2. The disk is free to rotate on a frictionless horizontal axle.
A hollow sphere is rolling along a horizontal floor at 7.0 m/s when it comes to a 39^circ incline. How far does it go up the incline before coming to a stop and roll back down.
Illustrate a new gravitational potential energy
A space traveler weighs 130 pounds on earth. What would the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth.
What apparent free-fall acceleration is experienced by the managers remaining on the rim assume that the average mass for each inhabitant is 65kg.
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