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soldier1979 [14.2K]
2 years ago
6

If the force on an object is in the negative direction, the work it does on the object must be:.

Physics
2 answers:
Inga [223]2 years ago
6 0

Answer:

The work could be either positive or negative, depending on the direction the object moves

Explanation:

topjm [15]2 years ago
5 0
The work done is also in the negative direction
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A set of data has a mean of 12 and a standard deviation of 3. A data point of the set has a z-score of 1.3. What does a z-score of 1.3 mean?

The data point is 1.3 standard deviations away from 3

The data point is 1.3 standard deviations away from 12.

The data point is 3 standard deviations away from 1.3.

The data point is 3 standard deviations away from 12.






its B

4 0
4 years ago
5. Salt is often spread on roads during winter to prevent ice from forming. Do you think sugar would
Margaret [11]

Answer:

No because sugar is more sweet and it would not have the benefits of salt. Think of it like how people used to put salt on meat to preserve it. Would they put sugar on? No they would not because salt is a combination of things that sugar does not have.

Explanation

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3 years ago
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zysi [14]
Hello There


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4 0
3 years ago
the mass of an object is 45 kg and it has a density of 5 gram per centimetre cube what is the volume ​
photoshop1234 [79]

Density = Mass/Volume

=> 5g/cm³ = 45kg/Volume

=> 0.005kg/cm³ = 45kg/Volume

=> Volume = (cm³×45kg)/0.005kg

=> Volume = 9000kg/cm³

5 0
3 years ago
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Over the course of a martian year, what are the ranges of the rms speeds of the co2 molecules.
Nimfa-mama [501]
<span>Speed (rms) = sqrt 3KT/m, where: K = Boltzmann's costant = 1.38*10^-23 joule/K; T = temperature in Kelvin degrees = 273 - 63 = 210 K; m = 44 * 1.672*10^-27 Kg; 1.672*10^-27 Kg (good approximation) is the weight of a single a.m.u. (atomic mass unit); 44 is molecular weight of CO2. Molecular Speed (CO2) = sqrt 3*1.38*10^-23*210/44*1.672*10^-27 = 344 m/sec. Excuse me for some imperfection in my language, I am from South Italy. My cordiality to You, hello.</span>
3 0
3 years ago
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