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vladimir1956 [14]
3 years ago
13

Find the velocity v=ds/dt at t=3​

Physics
1 answer:
IRINA_888 [86]3 years ago
7 0

Answer:

you need at least two out of the three to get any aenser

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The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. The density of s
Illusion [34]

Answer:

A) 27209506.5 N

B) 2393640 N

The force on the underwater vehicle is about 11.37 times the weight of the jetliner for comparison.

Explanation:

Force du to depth of water is

F = pghA

P = density of salt water = 1025 kg/m3

g = acceleration due to gravity 9.81 m/s2

h = depth of water 11000 m

A = area pressure acts

Area = ¶r^2 = 3.142 x 0.280^2 = 0.246 m^2

Therefore

F = 1025 x 9.81 x 11000 x 0.246

= 27209506.5 N

Weight of a jetliner with mass 2.44 × 10^5 kg is,

2.44×10^5 x 9.81 = 2393640 N

The force on the underwater vehicle is about 11.37 times the weight of the jetliner for comparison.

7 0
3 years ago
Help me with this question.
san4es73 [151]

Answer:

<em>huh? sorry i can</em><em>'</em><em>t read perfectly:((</em>

7 0
3 years ago
Which product of alcoholic fermentation causes dough to rise and creates the little holes in bread? A. water B. oxygen C. glucos
lbvjy [14]

Answer:

Carbon Dioxide

Explanation:

4 0
3 years ago
• Usain Bolt can run at 10 m/s. If he runs for about 20 seconds, how far around the race track did he go?
yanalaym [24]

Answer:

200metters

Explanation:

because in one second hes going 10 metter in 20 second he will go 20×10=200

4 0
3 years ago
11.
jolli1 [7]
<h3>Reducing Surface Area.</h3>

If the surface area becomes smaller, the pressure becomes larger.

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3 years ago
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