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An object is 2.00 cm high and placed 40 cm from the left of a converging lens having a focal length of 30 cm. A converging Lens is placed 110 cm to the right of the first Lens and has a focal length of 20 cm. Find (a) the position (b) total magnification (c) upright or inverted and (d) real or virtual
A 3.0-m-long ladder, as shown in Figure 12.39, leans against a frictionless wall. The coefficient of static friction among the ladder and the floor is 0.40. What is the minimum angle the ladder can make by the floor without slipping?
a glass tube is attached to a water pipe,if the water pressure at the bottom of the tube is 120kpa and the local atmospheric pressure is 99kpa. determine how high the water will rise in the tube
A 297-kg motorcycle is accelerating up along a ramp that is inclined 30.6° above the horizontal. Find the magnitude of the motorcycle's acceleration
Determine the tangential speed of the sun. What is the magnitude of the net force that acts on the sun to keep it moving around the center of the Milky Way?
A 4.3 kg rock is initially at rest at the top of a cliff. Assume that the rock falls into the sea at the foot of the cliff and that its kinetic energy is transferred entirely to the water. The specific heat of water is 4186 J/kg·?
A 3 x 10^2 kg piano is being lifted at a steady speed from groundlevel straight up to an apartment 10.0 m above the ground. Thecrane that is doing the lifting produces a steady power of 4.00 x10^2 W. How much time does it take to lift the piano?
A tennis player recieves a shot with the ball (.06 kg) travling horizontally at 50 m/s, What work does the raquet do on the ball
Electrons produced by a certain device are observed to travel in a circular path with a radius of 4.4 cm when placed in a uniform magnetic field whose strength is 47 MN/C. What is the speed of the electrons emitted by this device?
In coulomb scattering of 7.50MeV protons by a target of 7-Li, what is the energy of the elastically scattered protons at 90 degrees
If the coefficient ofkinetic friction between a 35-kg crate and the floor is 0.3, what horizontal force is required to move the crate at a steady speed across the floor
An air bubble of 20 cm3 volume is at the bottom of a lake 58 m deep where the temperature is 4.0°C. what is its volume, in cubic cm
A piece of charcoal used for cooking is found at the remains of anancient campsite. Find the age of the charcoal
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