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A 1.0-cm-tall object is 20cm in front of a converging lens that has a 10cm focal length. Use ray tracing to find the position and height of the image. To do this accurately, use a ruler or paper with a grid.
(a) Determine the image distance by making measurements on your diagram.
(b) Determine the image hight by making measurements on your diagram.
If a rocket's exhaust speed is 160 m/s relative to the rocket, what fraction of its initial mass must be ejected to increase the rocket's speed by 50 m/s
a squirrel is resting in a tall tree when it slips from a branch that is 48 m above the ground. it is a very agile
A 48.9 kg girl is standing on a 129 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. What is the velocity of the plank relative to the ice surface
q1. imagine a free electron and a free proton held midway between the plates of a charged equivalent plate capacitor.
steel expands 11 parts in a million for each 1 circ rm c change. consider a 40000-rm km steel pipe that forms a ring to
Find tension in the back muscle and the compressional force
More energy is lose in perfectly inelastic collisions than in ordinary inelastic collisions. Whathappens to this additional amount of energy? (Where does itgo?)
A Carnot engine has a power output of 130 kW. The engine operates between two reservoirs at 20°C and 500°C, How much energy does it take in per hour
The cable of a hoist has a cross-section of 80 mm2. The hoist is used to lift a crate weighing 500 kg. How much will it extend if it is made of steel
A 25.0 kg child on a 2.00 m long swing is released from rest when the ropes of the swing make an angle of 60.0 degrees with the vertical. determine the childs speed at the lowest position
A 450 cm3 block of aluminum (D = 2.7 g/cm3) is lowered carefully into a completely full beaker of water. What is the weight of the water
A machine gun fires 23 g bullets horizontally at 260 m/s at a constant rate of 30 bullets/s. what is the average force exerted on the door
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