Question

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Answer 1

Answer:

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1.] $Formula=== Density= {Mass}/{volume}$

Density = 350/175

Density = 2 kg/m³

2.]$Formula=== Density={Mass}/{volume}$

Mass = 190 × 4

Mass = 760 kg

3.]$Formula=== R.D = {Density \ of \ Metal}/{Density \ of \ Water}$

Density of Metal= 5 × 10³

Density of Metal = 5×10³kg/m³

4.]$Formula=== R.D = {Density \ of \ Metal}/{Density \ of \ Water}$

R.D= 8.5×10³ / 10³

R.D = 8.5

5.]$Formula===Pressure={Force}/{Area}$

W= P × A

W = 20,000 × 0.04 N

W = 800 N

6.]$Formula===Pressure={Force}/{Area}$

P= W/A

P= 1500/500

P = 3 Nm-²

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