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melomori [17]
3 years ago
12

An object is moved 29 meters with a force of 289 N. what is the work done

Physics
1 answer:
Shtirlitz [24]3 years ago
8 0

Answer:

8381

Explanation:

Workdone=Force x distance

W= 289x 29

W=8381J

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Answer:

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3 years ago
the mass of a brick is 4 kg, find the mass of water displaced by it when completely immersed in water.​
vova2212 [387]

Answer:

The correct answer is = 1.6

Explanation:

Density of water = 1000kg/m³ = d₁

Mass of brick = 4kg = m

Density of brick = 2.5 g/cm³ = 2.5 × 1000 =2500 kg/m³ = d₂

Volume of brick = m/d₂ = 4/2500 =16/10000 = 0.0016 L = v

Buoyant Force = v × d₁ × g          (g= acceleration due to gravity =9.8m/s²)

= 0.0016 × 1000 × 9.8 = 15.68 Newtons

By the Archimedes' Principle, the buoyant force is equal to the weight of the liquid displaced by an object.

Weight of the water displaced=Buoyant Force

=Mass of water displaced × g,

as weight = mass × acceleration due to gravity

15.68= mass of brick × 9.8

15.68/9.8 =Mass of water displaced

1.6 kg = Mass of water displaced

4 0
3 years ago
Where did beowulf and his warriors take the skull
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How does deformation by drawing of a semicrystalline polymer affect its tensile strength?
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4 0
3 years ago
A paper airplane with mass 0.1 kg is flying 1.5 m above the ground with a speed of 2 m/s. What is the total mechanical energy of
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E = 0.2 J + 1.47 J
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7 0
3 years ago
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