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1. A cowboy, 6.8 feet tall with his hat, views his full image in a plane mirror.
a. Find the image height of a man 1.9 m tall, standing 3.3 m from the ornament
2. A spherical silver Christmas tree ornament, 11 cm in diameter, acts as a mirror.
a. Find the image height of a man 1.9 m tall, standing 3.3 m from the ornament.
3. A small object is on the optical axis, 25.1 cm from a +18.0 cm lens. Find the image distance and magnification by computation.
A standing wave is set up in a 200-cm string fixed at both ends. The string vibrates in 5 distinct segments when driven by a 120-Hz source. What is the fundamental frequency for the string
Suppose there are two transformers between your house and the high-voltage transmission line that distributes the power. In addition, assume that your house is the only one using electric power. At a substation the primary of a step-down transform..
A well-insulated, sealed container is fitted with a movable, frictionless piston. The piston is initially locked in place with a pin. The container is placed on a hot plate and temperature of the gas inside the container increases. The container is r..
in an echolocation lab a student measures the time from the first click of the fingers to the first echo to be 0.0062.
Two 4.0 cm × 4.0 cm electrodes spaced 2.0 mm apart form aparallel-plate capacitor. What is the charge on each electrode
1. the ground state ofnbsp has jpi 32-1 the first excited state at 67.4 kev has jpi 12-1 and the second excited state
a 38 g bullet strikes a 0.65 kg block attached to a fixed horizontal spring whose spring constant is 6.2 x 103 nm and
A boy in a wheelchair (total mass 51.0 kg) has speed 1.40 m/s at the crest of a slope 2.40 m high and 12.4 m long. Find the work he did in pushing forward on his wheels during the downhill ride
one block of unknown mass m1 is positioned at rest on an inclined plane that is angled at 35 degrees. a second block m2
A 2.4-kg block is dropped from a height of 5.0 m onto a spring of spring constant 3955 N/m. When the block is momentarily at rest, the spring has compressed by 25 cm.
A silicon rod (at 30 degrees celsius) with a uniform cross section connects to a battery with 9 Volts of terminal voltage and .50 A current flows. what is new resistance of rod
Nitrogen gas is heated by a pulsed laser to 50 000 K. If the diameter of the nitrogen atoms is assumed to be 1.0 ´ 10-10 m, what is the mean free path
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