Physics, 25.02.2020 20:53 rosieposie27
Oil having a density of 930 kg/m3 floats on water. Arectangular block of wood 4.00 cm high and with a density of 960kg/m3 floats partly in the oil and partly in the water. The
oil completely covers the block. How far below the interfacebetween the two liquids is the bottom of the block?
Answers: 2
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Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon
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Physics, 22.06.2019 17:40
The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
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Physics, 22.06.2019 19:50
Aleaky 10-kg bucket is lifted from the ground to a height of 15 m at a constant speed with a rope that weighs 0.7 kg/m. initially the bucket contains 45 kg of water, but the water leaks at a constant rate and finishes draining just as the bucket reaches the 15-m level. find the work done. (use 9.8 m/s2 for g.) show how to approximate the required work by a riemann sum. (let x be the height in meters above the ground. enter xi* as xi.) lim n → ∞ n (9.8)(45−3 xi) i = 1 δx express the work as an integral. 0 dx evaluate the integral. (round your answer to the nearest integer.) j
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Physics, 22.06.2019 20:00
Which is the most accurate name for the covalent compound p2o3?
Answers: 2
Oil having a density of 930 kg/m3 floats on water. Arectangular block of wood 4.00 cm high and with...
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