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A 0.50-kg ball on the end of a rope is moving in a vertical circle of radius 3.0 m near the surface of the Earth where the acceleration due to gravity, g, is 9.8 m/s2.
Point A is at the top of the circle; C is at the bottom. Points B and D are exactly halfway between A and C.
The ball moves on the circle from A to C under the influence of gravity alone. If the kinetic energy of the ball is 35 J at A, what is its kinetic energy at C?
A sphere of mass 46 kg is attached to one end of a rope, Find the work done by the force of gravity on the sphere
A 2.0 kg object moving with a velocity of +6.0 m/s collides with a 6.0 kg object that is initially at rest. Find the energy lost in the collision.
When a pith ball of unknown mass and charge 80.35 nano Coulombs is placed in a uniform field pointing to the right with a strength of 2,770 N/C, it experiences an acceleration of 166 m/s2 to the left. Ignoring the effects of gravity, what is the mass..
A bat moving at 15.0 {\rm m/s} emits a high-frequency sound as it approaches awall that is 29.5 m away. how far away is it when it receives the echo
What is the total charge of the neptunium nucleus, What is the magnitude of its electric field at a distance of 2.16×10-10 m from the nucleus
Calculate the pressure difference between the air pipe and the water pipe
735 g of salt is placed into 400 mL of water and stirred thoroughly. How much salt dissolves into the water
The refractive index of the lens at these two wavelengths is 1.522376 for the blue and 1.514322 for the red. Because the refractive index is not the same for both wavelengths, there will be two images. Find the image distances from the rear surfac..
a 0.43 t magnetic field is perpendicular to a circular loop of wire with 56 turns and a radius of 16cm .if the magnetic
Three deer, A, B, and C, are grazing in a field. Deer B is located 64.4 m from deer A at an angle of 53.8 ° north of west. Deer C is located 76.2 ° north of east relative to deer A. The distance between deer B and C is 96.8 m. What is the distance be..
a student is reading material written on a blackboard. her contact lenses have a refractive power of 57.50 diopters; the lens to retina distance is 1.750cm. how far in meters is the blackboard from her eyes
Part of a roller-coaster ride involves coasting down an incline and entering a loop 9.10 m in diameter. For safety considerations, the roller coasters speed at the top of the loop should be such that the force of the seat on a rider is equal in magni..
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