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A converging lens with a focal length f1 = 4cm is placed to the left of a second identical lens f2. When an object is placed 12 cm to the left of the first lens, the final image is the same size. What is the separation distance between the two lenses?
The potential in a region between x = 0 and x = 6.00 m has a linear relation, Calculate the potential at the following positions: x = 0, 3.00 m and 6.00 m and also find magnitude and direction
Winds pick up suddently,increasing the wave's amplitude to 6m. Explain how does this change in amplitude affect the wave's frequency and the amount of energy it transports?
Suppose you have an electric hot water heater for your house which is an aluminum cylinder which has a 0.44 m radius and is 1.8 m high. The walls are 1.0 cm thick.
How much work did the movers do (horizontally) pushing a 190-{rm kg} crate 11.2 m across a rough floor without acceleration, if effective coefficient of friction was 0.60.
The invaders’ thermometer shows the temperature on earth to be 58 °I. Using logic similar to that in Example 1 in the text, illustrate what would this temperature be on the Celsius scale?
At one instant a bicyclist is 25m due east of a park's flagpole, going due south with a speed of 8 m/s. Then, 11 s later, the cyclist is 65m due north of flagpole, going due east with a speed of 10 m/s.
The blackbody radiation emitted from a furnace peaks at a wavelength of 3.4 10-6 m(0.0000034 m). What is the temperature inside the furnace
compare with the force of gravitational attraction between them.Find the position of the particle after this time.
A banked circular highway curve is designed for traffic moving at 60 km/h. What is the minimum coefficient of friction between tires and road that will allows
0.20g of hydrogen gas are held in a rigid container. The temperature of the gas is changed from 50 K to 80 K. How much heat is needed.
Why is surface wind always directed at some angle across sea-level isobars toward lower pressure? Why is the surface wind directed across the sea-level isobars at a greater angle in Madison than over the middle of Lake Michigan.
A 85 kg window cleaner uses a 14 kg ladder that is 5.9 m long. He places one end on the ground 3.4 m from a wall, find the angle (relative to the horizontal) of that force on the ladder
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