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It is possible to generate power by using the water from your garden hose to drive a small Pelton wheel turbine. Provide a preliminary design of such a turbine and estimate the power output expected. List all assumptions and show calculations.
The temperature difference between the inside and the outside of a home on a cold winter day is 57.0°F. Express this difference on the Celsius scale
To study the Doppler shift on your own, you take an electronic tone generating device that is set to a frequency of 1485 Hz to a campus wishing well known as "The Abyss." Estimate the time at which you can no longer hear the tuner
Suppose the end of your finger is charged. (a) Estimate the breakdown voltage in air for your finger. (b) About what surfacecharge density would have to be on your finger at this voltage?
A calorimeter contains 2000 grams of water at 0oc. a jet of stream at 100oc is passed through the water. What is the temperature of the water when 100 grams of steam have condensed in it.
Donovan Bailey set a world record for the 100-m dash on July 27, 1996. find the time that was recorded on Earth
In a needle biopsy, a narrow strip of tissue is extracted from a patient using a hollow needle. Rather than being pushed by hand, to ensure a clean cut the needle can be fired into the patient's body by a spring. Find the maximum speed of the needl..
A 10 kg block of ice slides along a frictionless surface that is inclined at a 60 degree angle with the horizontal. What is the weight of the block
A slide projector produces an inverted image on a screen that is 30 times larger than the view on the slide. The lens has a focal length of 12.0 cm. compute (a) the distance of the screen from the lens and (b) the distance of the slide from the lens.
An armada of space ships of proper length 1ly moves at a speed 0.8c relative to a space station. A delivery ship is to travel from the rear of the armada to the front at a speed 0.95c relative to the space station. Consider the space station's ref..
Early black-and-white television sets used an electron beam to draw a picture on the screen. What is the speed of electrons in the beam
A common problem inside orbiting space stations is monitoring astronauts weight, or better said mass. What is the mass of the astronaut
josh is painting yellow stripes on a road using a paint roller. to roll the paint roller along the road josh applies a
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