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saw5 [17]
3 years ago
10

If a 2-kg block compresses a spring 800mm from its relaxed state, how much potential energy does the block have due to the sprin

g? Assume the spring constant, k = 25 N/m.
Mathematics
1 answer:
Tju [1.3M]3 years ago
5 0

Answer:

8 Joule

Step-by-step explanation:

Mass of block = 2 kg

Displacement = x = 800 mm = 0.8 m

Spring constant = k = 25 N/m

Potential Energy of a spring

Work done = Difference in Potential Energy

Work Done = Δ P.E.

\Rightarrow \Delta\ P.E.=\frac{1}{2}kx^2

⇒P.E. = 0.5×25×0.8²

⇒P.E. = 8 Nm = 8 Joule

Here already the spring constant and displacement is given so the mass will not be used while calculating the potential energy.

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2 years ago
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3 years ago
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Step-by-step explanation:

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we get

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3 0
2 years ago
In the given figure, find ∠PQS, if∠PQR = 5x + 25 and∠SQR = 2x + 10.
kramer

Answer:

∠PQS= 3(x +5)

Step-by-step explanation:

∠PQR = 5x + 25

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∠PQS = ∠PQR-∠SQR

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3 years ago
What times 5 equals 70?
Viefleur [7K]
5n  =70 
5 x 14 = 70
 hope this helped :)
3 0
3 years ago
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