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1. (a) A spherical mirror is used to form a real image, four times the size of the original object, on a screen that is 3.00 m from the mirror.
(i) Draw a rough sketch showing the relative positions of the object, mirror, and screen so that this might be achieved.
(ii) How far from the mirror must the object be?
(iii) Is the mirror convex or concave? Find its focal length and radius of curvature.
(b) An object is placed 15.0cm to the left of a thin converging lens of focal length 10.0 cm. A second thin lens is located 10.0 cm to the right of the first lens, and the final image of the original object is formed halfway between the two lenses (that is, 5.0 cm from each lens).
(i) What is the focal length of the second lens?
(ii) Specify as completely as you can the size and nature of the final image.
In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. A trainee riding in the chamber of a centrifuge rotating with a constant angular speed of 2.6 rad/s..
A 4000 kg truck is parked on a 7.0 degree slope. How big is the friction force on the truck
A fine metal foil separates one end of 2 pieces of opticallyflat glass, How thick is the foil
question which system has a greater magnetic potential energy the case of two magnets with their north poles facing
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A 0.280 kg ball is dropped from rest at a point 1.35m above the floor. The ball rebounds straight upward to a height of 0.780 m. What are the magnitude and direction of impulse of the net force applied to the ball during the collision with the flo..
Assume that none of the alpha particles bounced back from the sheet, meaning that the alpha particles either were captured by the shielding or penetrated completely through the shielding.
A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having an internal resistance of 3.50 M?. After a time of 3.80 s, What is the time constant of the circuit
a body has a mass of 2000 kg. determine the weight of the body expressed in n if it is a located on the surface of the
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