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Crazy boy [7]
3 years ago
8

Find the mass if the force is 18 N and the acceleration is 2 m/s2

Engineering
2 answers:
Nana76 [90]3 years ago
5 0

Explanation:

f = ma

m = f/a

= 18N / 2m/s2

= 9kg

Rzqust [24]3 years ago
5 0

Answer:

9kg

Explanation:

Step one: write the formula of Force

F= M× A

F- Force

M- Mass - Kg

A- Acceleration - m/s²

Step two: Use the formula

F= M× A

M = F/ A

F= 18N, A= 2m/s²

M= 18N / 2m/s² = 9 kg

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The bulk modulus of a material is 3.5 ✕ 1011 N/m2. What percent fractional change in volume does a piece of this material underg
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Answer:

percentage change in volume  = 0.00285 %

Explanation:

given data

bulk modulus = 3.5 × 10^{11}  N/m²

bulk stress = 10^{7}  N/m²

solution

we will apply here bulk modulus formula that is

bulk modulus = \frac{bulk\ stress}{bulk\ strain}   ...............1

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3.5 × 10^{11} = \frac{10^7}{bulk\ strain}  

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bulk strain = \frac{change\ volume}{original\ volume}  

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