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JulsSmile [24]
3 years ago
5

A block of aluminum had a volume of 17.0 mL and a mass of 45.9g. What is it’s density?

Physics
1 answer:
vesna_86 [32]3 years ago
4 0
The density of aluminum is 2.7 g/ml.
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Buoyant force acts in the opposite direction as the force of

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3 years ago
A force does work on an object if a component of the force:a. is perpendicular to the displacement of the object b. is parallel
MAVERICK [17]

As we know that total work done by a force is given by

W = F.d

W = Fdcos\theta

so it is product of force and displacement along same direction

as we can write it as

W = (Fcos\theta)(d)

so it must be the product of force and displacement in same directions so correct answer must be

<u>b. is parallel to the displacement of the object</u>

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Elis [28]
Ionic bonding is a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions, and is the primary interaction occurring in ionic compounds.A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.
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Why can't 41 be represented in a binary table?
Airida [17]

Answer:

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8 0
3 years ago
During which two time intervals does the particle undergo equal displacement?
san4es73 [151]

Answer:

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Explanation:

In the given figure, the velocity time graph is shown. We know that the area under v-t curve gives the displacement of the particle.

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Area under CD, d_3=\dfrac{1}{2}\times 2\times 7=7\ m

Area under DE, d_4=\dfrac{1}{2}\times 2\times 4=4\ m

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4 0
3 years ago
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