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Two 22.0 cm focal-length converging lenses are placed 16.5 cm apart. An object is placed 35.0 cm in front of one lens. Where will the final image formed with the second lens be located?(in cm beyond the second lens)
What is the total magnification?
At what rate is heat lost through a 1.0 m * 1.5 m rectangular glass windowpane that is .5 cm thick when the inside temperature is 20 degress celcius and the outside temperature is 5 degrees celcius? The thermal conductivity for glass is .80 W/(m*degr..
A football is punted straight up into the air; it hits the ground 5.2 s later. With what speed did it leave the kicker's foot
A piece of a wire, with the cross-sectional area of 0.5176 mm2 and 2.50 m long, has the resistance 1.28×10-1 ohms. What is the resistivity of the material of the wire
One end of a 68-cm-long copper rod with a diameter of 2.4cm is kept at 480?C, and the other is immersed in water at 24?C. Calculate the heat conduction rate along the rod
Two current-carrying wires are exactly parallel to one another and both carry 3.5 A of current. What is the direction of the magnetic force caused by wire 2 on wire 1
In a hydaulic lift the radius of the pistons are 1.75cm and 17.5cm. A car weighing 19.6kN is to be lifted by the force of the large piston. how far is the car lifted
An object is placed 30 cm from a converging lens forms an image 40 cm from the lens. is the image which is formed real or virtual
Two blocks A and B of mass D and E respectively are kept in contact on a frictionless table. what is the force exerted by the expirimenter on A
Calculate the fluid force (in Newtons) on a square plate with aside of 2 m that is submerged at ahorizontal angle of 30°. Assumethat the top edge of the plate is located at the surface of the water.
an electric vehicle starts from rest and accelerates at a rate of 2.3 ms2 in a straight line until it reaches a speed
Squids and octopuses propel themselves by expelling water. They do this by taking the water into a cavity and then suddenly contracting the cavity, How much kinetic energy does the squid create for this escape maneuver
Two waves with identical frequency but different amplitudes A1 = 6.0 cm and A2 = 3.0 cm, occupy the same region of space (are superimposed). What is the amplitude of the resulting wave in that case
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