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Two converging lenses with focal lengths of 50 cm and 19 cm are 10 cm apart. A 2.4-cm-tall object is 25 cm in front of the 50-cm-focal-length lens.
Part A. Calculate the distance between the image and 19-cm-focal-length lens. Express your answer to two significant figures and include the appropriate units.
Part B. Calculate the image height. Express your answer to two significant figures and include the appropriate units.
find the initial velocity of the ball. An echo is heard in 3 sec after the emission of sound. If speed of sound in air is 342 m/s, what is the distance of the reflecting surface from the source.
A closely packed coil of 500 turns carriers a current of 2.0 A. at what rate must the current change in order to induce an emf of 75V
Two objects (m1 = 4.95 kg and m2 = 2.60 kg) are connected by a light string passing over a light, frictionless pulley suspended over a table. Determine the speed of each object when the two pass each other
Chinook salmon are able to move upstream faster by jumping outof the water periodically; this behavior is calledporpoising. Determine the average speed of the fish
If the pressure of the 3 cm3 volume is reduced to 2.0 10-11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container
In a particular rear-end car collision the driver's head rotates 45 degrees backward before being stopped by the headrest. What is the average angular velocity of the driver's head
You and your friend are practicing pass plays with a football. You throw the ball at 35 degrees above thehorizontal at 19 m/s.
a 0.145-kg baseball pitched horizontally at 39 ms strikes a bat and is popped straight up to a height of 41 m. if the
A speeding motorist traveling 105km/h passes a stationary police officer. The officer immediately begins pursuit at a constant acceleration of 12km/h/s (note the mixed units).
A Proton is located at x=2.0 nm, y=0.0 nm and an electron is located at x=0.0nm, y=4.0 nm. Find the attractive Coulombic force between them
What is Fx of the magnitude of the skiers velocity.
A satellite has a mass of 99 kg and is located at 2.0 106 m above the surface of Earth. compute the potential energy associated with the satellite
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