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Alexxandr [17]
3 years ago
5

An object of mass 5 kilograms is acted upon by the forces F and F2 as shown.

Physics
1 answer:
Alekssandra [29.7K]3 years ago
3 0

Answer:

61 N

Explanation:

Sum of forces in the x direction:

∑F = ma

F₂ cos (-55°) − 35 N = 0

F₂ cos (-55°) = 35 N

F₂ = 61 N

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Semmy [17]

Answer:

Thermal energy produce =4,000 J.

Explanation:

Given that

Mechanical  energy at the top of hill = 6,000 J

Mechanical  energy at the bottom of hill = 2,000 J

We know that energy is conserve

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So now by putting the values

Energy at top of hill = energy at bottom of hill + Thermal energy produce

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Thermal energy produce =4,000 J.

As we know that thermal energy produce due to friction when one mechanical component slides on the other mechanical component then always heat is generated and this heat is known as thermal energy.

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3 years ago
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6 0
3 years ago
4.6 billion years ago the earth is created from what
Lina20 [59]

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Janet wants to find the spring constant of a given spring, so she hangs the spring vertically and attaches a 0.40 kg mass to the
Aleks [24]

Answer:

Explanation:

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4 0
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zmey [24]

Answer:

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Explanation:

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7 0
3 years ago
Read 2 more answers
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