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A double convex lens has 10cm and 15cm as its 2 radii of curvature. The image of an object placed 30cm from the lens is formed at 20 cm from the lens on the other side.
Find the refractive index of the material of the lens.
What will be the focal length ?
What will be the focal length of the lens if it is immersed in water of RI 1.33?
Two thin, isolated, concentric conducting spheres of radii 5.10 cm and 14.40 cm, have net charges of 23.00 nC, What is the electric potential at 3.315 cm from the center of the spheres
A proton and an alpha particle (charge = 2e, mass = 6.64 10-27 kg) are initially at rest, separated by 2.30 10-15 m. What are both of their speeds at infinity
A 34cm diameter wheel accelerates uniformly about its center from 130rpm to 370rpm in 4.8s. Determine the tangential component of the linear acceleration of a point on the edge of the wheel 1.6s
A 1.49 kg ball is connected by means of two ideal strings to a vertical, rotating rod. The strings are tied to the rod and are taut. What is the tension in the lower string
A uniform 1200N beam that is 3.50 m long is suspended horizontally by two vertical wires at its ends. A small but dense 550 N weight is placed on the beam 2.00m from one end.
determine the required force of p that must be applied at the blade of the pruning shears so that the blade exerts a
One cubic meter of water (see Table 4.4 for the mass density of water) flowing over the Osprey Falls in Yellowstone National Park drops 46 m, what is the temperature increase of the water
A 12.6 V battery (assuiming the internal resistance = 0) is connected to two resistors in series. What is the resistance of each resistor
A resistor with R = 1.5 k? is connected to an AC generator that operates at 60 Hz with an amplitude of 49 V. (a) Find the amplitude of the current through the resistor.
Two heat reservoirs at temperatures 190°C and 60°C, respectively, are brought into thermal contact, What is the change in the entropy of the two-reservoir system
Find out the distance between the point of firing and the point at which the 2.6-kg fragment strikes the ground.
A sinusoidal wave on a string is described by the wave function y = 0.10 sin (0.85x ? 35t) where x and y are in meters and t is in seconds. Determine the power transmitted by the wave
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