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The radius of curvature of the curved side of a Plano-convex lens made of glass (n = 1.64) is 25 centimeter. Evaluate what is the focal length of the lens?
The ramp is coated with a substance that has a kinetic coefficient of friction of 0.25. The block is placed at the bottom of the ramp. What initial speed should be imparted to the block so the block travels 5m up the ramp?
What is magnitude of the force that a concrete support exerts on the bridge at each end. The cloth exerts a friction force of 0.100 N on the mug and the cloth is pulled with a constant acceleration of 3.00 m/s.
A car accelerates uniformly from rest and reaches a speed of 22.1 m/s in 8.97 s.
In the Bohr model of hydrogen, the electron moves in a circular orbit around the nucleus. Determine the angular speed of the electron
A man lifts a 20.0-kg bucket of concrete from the ground up to the top of a 20.0-m tall building. How much work was done by the man in lifting the bucket
If friction and air resistance can be neglected, determine her speed vB when she reaches the horizontal end of the ramp at B.
A thin, uniformly charged spherical shell has a potential of 720 V on its surface. Outside sphere, at a radial distance of 29.0 cm from this surface, the potential is 434 V.
A ray of light strikes the a-b interface at 50o angle of incidence. The index of refraction a is na=1.20. Obtain the indices of refraction in these two media
A 1500 kg elevator moves upward with constant spped through a veticle distance of 25m. Explain how much work was done by the tension in the elevator cable?
what is the needed magnitude of the minimum acceleration.
Twenty particles, each of mass m0 and confined to a volume V, have various speeds: two have speed v, three have speed 2v, five have speed 3v, determine the pressure they exert on the walls of the vessel
The athlete shown in the figure rotates a 1.00 kg discus along a circular path of radius 1.07 m. find the magnitude of the maximum radial acceleration of the discus
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