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A converging lens is placed 30.0 cm to right of a diverging lens of focal length 10.0 cm. A beam of parallel light enters the diverging lens from left and the beam is again parallel when it emerges from the converging lens. Calculate the focal length of the converging lens?
A 662-keV photon is Compton scattered at an angle of 120degree with respect to its incident direction. What is the energy of the scattered electron? What is the angle between the paths of the scattered electron and photon?
A child is trying to stack two uniform wooden blocks, 12 cm in length, so they will protrude as much as possible over the edge of a table
Julie drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 35.0mph and half the distance at 73.0mph. What is her average speed on the return trip
Type yourAfter a plant or animal dies, its 14C content decreases with a half-life of 5730 years. what is the age of the ancient site
The ceiling is of height 3.5 m, and the balloons are launched at a velocity of 10 m/s. The acceleration of gravity is 9.8 m/s2. Evaluate at what angle must they be launched to just graze the ceiling?
Light of wavelength 550. nm in air is found to travel at 1.96x10^8 m/s in a certain liquid. Determine the frequency of the light in air
the aorta is a major artery, rising upward from the left ventricle of the heart and curving down to carry blood to the abdomen, what is the magnitude (in m/s^2) of the blood's centripetal acceleration
A 0.800 kg block is attached to a spring with spring constant 14 N/m. While the block is sitting at rest, What is the amplitude of the subsequent oscillations
A wave crest passes an observation point followed by a second crest. how long are the wavelengths
A baseball has a velocity of 40.2 m/s (89.9 mi/h), directed horizontally, as it is released by a pitcher. Calculate the ball's instantaneous acceleration just before it is released
Two large metal plates of area 0.5 m2 face each other. They are 4.8 cm apart and have equal but opposite charges on their inner surfaces. what is the magnitude of the charge on each plate
A solenoid is designed to produce a 2.74*10^-2T magnetic field near its center. It has a radious of 1.25cm and a length of 45.0 cm, how many turns must the solenoid have
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