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Vikentia [17]
3 years ago
13

A rectangular block has dimensions 2.9 cm x 3.5 cm x 10.0 cm. the mass of the block is 615.0 g. what is the volume and density o

f the block? (answer it with correct numbers of significant figures)
Physics
1 answer:
Goshia [24]3 years ago
5 0
Density is the ratio of the substance's mass to volume. It is an extensive property, meaning it does not depend on the amount of the substance. The ratio is always fixed per identity of a substance. The density is equal to:

V = 2.9 cm x 3.5 cm x 10.0 cm = 101.5 cm³
Density = 615 g/101.5 cm³ = 6.06 g/cm³
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A 0.5 m3 container is filled with a fluid whose specific volume is 0.001 m3/kg. At standard gravitational acceleration, the cont
xenn [34]

Answer: the contents of this container weighs 4905 kg.m/s²

Explanation:

Given that;

volume of a container V = 0.5 m³

we know that standard gravitational acceleration g = 9.81 m/s²

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now we express the equation for weight of the container.

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5 0
3 years ago
An object with an initial velocity of 10 m/s accelerates at a rate of 3.5 m/s2 for 8 seconds. How far will it have traveled duri
ICE Princess25 [194]

Answer:

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Explanation:

We have,

Initial velocity of an object is 10 m/s

Acceleration of the object is 3.5 m/s²

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We need to find the distance travelled by the object during that time. Second equation of motion gives the distance travelled by the object. It is given by :

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