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a concave mirror has a focal length of 15.0 cm. An object is placed 18.5 cm in front of the mirror. The image height of the image formed by the mirror is -10.2cm tall. How tall is the object placed in front of the mirror?
The lowest pedal note on a large pipe organ has a fundamental frequency of 16 Hz, What is the length of the open-closed pipe that makes that note
A car of mass = 1200 traveling at 65 enters a banked turn covered with ice. The road is banked at an angle , and there is no friction between the road and the car's tires. What is the radius of the turn if = 20 (assuming the car continues in unifo..
The current in a 100 watt lightbulb is 0.700A . The filament inside the bulb is 0.120mm in diameter. What is the electron current in the filament
A uniform electric field of magnitude 271 V/m is directed in the negative x direction. A +12.7 ?C charge moves from the origin to the point (x, y) = (15.5cm, 46.0 cm). What was the change in the potential energy of this charge?
The atomic planes in a crysral are spaced d = 0.50 nm apart. These planes are used in a diffraction experiment with X-rays with ? = 0.05 nm. What are the diffraction angles for the first three bright fringes
Assume someone drops an apple from a vertical distance of 6.0 meters, directly above the point where the arrow hits the tree.
The component prisms are 70-20-90 degrees. the angle between the emerging right and left polarized rays
A water slide launches a child horizontally above a swimming pool. How far from the launch point does the child land in the water
A telescope for astronomy view has an objective lens 180[mm] diameter with focal length 2000[mm], What magnifications does each provide
A car of mass M= 900-kg travelling at 45.0 kmh enters a banked turn covered with ice. The road is banked at an angle, and there is no friction between road and car's tires.
Make a drawing of this situation, and choose the best axes for x and y so that you have the least number of components.)
If the coefficient of static friction is 0.500, what minimum force magnitude is required from the rope to start the crate moving
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