Physics, 23.01.2020 03:31 singletaryshawp31cmx
A75.0-kg painter climbs a ladder that is 2.75 m long leaning against a vertical wall. the ladder makes a 30.0° angle with the wall. (a) how much work does is done by gravity on the painter? (b) does the answer to part (a) depend on whether the painter climbs at constant speed or accelerates up the ladder?
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Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more
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Physics, 22.06.2019 17:30
This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.
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Physics, 23.06.2019 03:50
Acar driving 22.7 m/s on flat ground drives off a 42.3 m high cliff. how much time does it take to reach the ground?
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A75.0-kg painter climbs a ladder that is 2.75 m long leaning against a vertical wall. the ladder mak...
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