What volume of water did it displace
A block of iron has the dimensions of 3.00 cm x 3.00 cm x 3.00 cm. It has a mass of 213 g. When placed in water, the block sinks. What volume of water did it displace?
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A plane mirror is placed on the level bottom of a swimming pool that holds water (n = 1.33) to a depth of 2.5 m. A small toy is suspended 1.9 m above the mirror. An observer above the water looks vertically downward at the toy and its image in the
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A 0.380 kg iron horseshoe that is initially at 580°C is dropped into a bucket containing 21.8 kg of water at 21.0°C. What is the final equilibrium temperature (in °C)? Neglect any heat transfer to or from the surroundings. Do not enter
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In a popular amusement park ride, a rotating cylinder of radius 3.5 m is set in rotation at an angular speed of 5.28 rad/s, as shown. The floor then drops away, leaving the riders suspended against the wall in a vertical position. What minimum co
Suppose you were the first to measure the value of some physical constant experimentally. How would you provide an estimate of the experimental uncertainty?
When a ceiling fan rotating with an angular speed of 2.50 is turned off, a frictional torque of 0.130 slows it to a stop in 20.5, What is the moment of inertia of the fan?
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Working in the yard, you feel unpleasantly hot and sweaty when you come in the house, so you take a shower and begin to feel better.
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