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daser333 [38]
3 years ago
15

A tugboat decelerates to 0.0031 km/s2 as it approaches the port. What is its deceleration in knot per second (kn/s)? Note: 1 kno

t = 1 nm/h, 1 nm = 1.852 km, 1 h = 3,600 s.
Mathematics
1 answer:
vodomira [7]3 years ago
7 0

Answer:

Step-by-step explanation:

1 Knot per second is equal to an acceleration of one nautical mile an hour per second. 1 Knot per second is approximately 0.514444444 meters per second squared (SI unit). 1 kn/s = 0.514444444 m/s2.

1 Standard Gravity:

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What is the positive difference between -8. and 9​
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1

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7 0
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Read 2 more answers
The mass of a sheet of metal varies jointly with its area and its thickness. A sheet of metal of area 250cm2 and thickness 1mm h
noname [10]

The Formula of the relation is M = 8AT.

The mass of the metal sheet is 960 g.

The expression below shows the variation between the mass of the sheet (M), Area of the Sheet(A), and thickness (T).

Proportionality:

  • M ∝ AT

Removing the proportionality sign,

  • M = KAT

Where:

  • K = constant of proportionality.

make K the subject of the equation:

  • K = M/KT.................... Equation 1

From the question,

Given:

  • M = 200 g
  • A = 250 cm²
  • T = 1 mm = 0.1 cm

Susbtitute into equation 1

  • K = 200/(250×0.1)
  • K = 8 g/cm³

Formula:

  • M = 8AT................. equation 2

Hence the formula of the relation is M = 8AT

If,

  • A = 400 cm²
  • T = 3 mm = 0.3

Substitute these values into equation 2

  • M = 8(400)(0.3)
  • M = 960 g

Hence,  the mass of the metal sheet is 960 g

Learn more about joint variation here: brainly.com/question/26047253

6 0
2 years ago
Help please and no links
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Answer:

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Step-by-step explanation:

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3 years ago
During the first week of a summer camp 2 out of 3 campers were boys. During the second week 3 out of 5 were boys. There were a 1
rewona [7]

Step-by-step explanation:

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3/5=9/15

10/15 is greater than 9/15, so during the 1st week there were more boy campers

6 0
3 years ago
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