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Kruka [31]
3 years ago
13

What material of mass 39g,has a volume of 5cm^3

Physics
1 answer:
insens350 [35]3 years ago
4 0
The material of density 7.8 g/cm³
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Explanation:

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2 years ago
Determine the amount of work done by the applied force when a 87 N force is applied to move a 15 kg object a horizontal
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Answer:

391.5 J

Explanation:

The amount of work done can be calculated using the formula:

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Looking at the formula, we can see that the mass of the object does not affect the work done on it.

Substitute the force applied and the displacement of the object into the equation.

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The amount of work done on the object is 391.5 J in order to move it 4.5 meters with an applied force of 87 Newtons.

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Two cars are moving with velocities 70km/hr and 50km/hr in east and west direction respectively.
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70 + 50 = 120 km/hr

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2 years ago
For these pictures is more or less friction needed?
antiseptic1488 [7]

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8: More

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2 years ago
What’s the formula for work
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Answer:

Fd

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