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1. An object is placed 30 cm to the left of a converging lens of focal length 15 cm, and a diverging lens of focal length 20 cm is placed 45 cm to the right of the first lens. How far from the original object is the final image? What is the magnification of the lens combination?
2. While talking to someone who is wearing sunglasses you see yourself reflected in their lenses. Your face is 10.0 cm away from the glasses, which are diverging and have a radius of curvature of 1.00 m. Locate and describe the image.
A system does 4.4 × 104 Joule of work, and 7.9 ×104 Joule of heat flows into the system during the process. Obtain the change in the internal energy of the system
A second converging lens of focal lenght 12 cm is placed to the right of the first lens. If the final image of the combined lens system is virtual and 15 cm from the second lens, then compute the distance between the two lenses
A solid puck with radius R1 = 0.9 m and mass M = 1.4 kg is sitting on a frictionless table. What is the angular acceleration of the puck in rad/s2
At what time and distance the car will overtake the cycle?
A charge of +Q is located at the 0 mark of a meter stick whilea charge of +3Q is located at the 100 cm mark. Where is the net field equal to zero
a 1.0-m radius flywheel is to be made from steel in the form of a solid disc. if the flywheel when turning at 60 rpm
At time t = 0 s, a puck is sliding on a horizontal table with a velocity 3.60 m/s, 35.0° above the +x axis, What is the velocity of the puck at time t = 1.50 s
What is an average velocity of the train throughout run
a hockey puck moving at 32 slams through a wall of snow 30 thick. it emerges moving at 18 .how much time does it spend
A commuter train blows its horn as it passes a passenger platform at a constant speed of 60.0 m/s. What is the frequency observed by a person on the platform as the train approaches
A rock is thrown vertically upward with a speed of 18.0m/s from the roof of a building that is 40.0mabove the ground. Assume free fall. What is the speed of the rock just before it strikes the ground
A piñata of mass 3.30 kg is attached to a string tied to a hook in the ceiling. What is the work done by gravity by the time the string is in a vertical position for the first time
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