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maksim [4K]
3 years ago
15

On a sunny day, a 6-foot red kangaroo casts a shadow that is 7 feet long. the shadow of a nearby eucalyptus tree is 42 feet long

. find the height of the tree. 36 feet 294 feet 49 feet 252 feet
Mathematics
1 answer:
kiruha [24]3 years ago
4 0
The answer is 36 feet. If you divide 7 by 6, you'd get <span>1.16666666667. This tells you by what number the shadow will have been larger that the object. So if you divide the height of the shadow of the eucalyptus tree by 1.16666666667, you get an answer of 36 feet.

</span>
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3 years ago
A long solenoid with radius r = 7 cm and n = 3,170 turns/m carries a current i = 6. 7 a. What is the magnitude of the magnetic f
kondaur [170]

The magnitude of the magnetic field in the central area inside the solenoid, in T is 0.0267 T

<h3>Magnetic field inside solenoid</h3>

The magnetic field inside the central area of the solenoid is given by B = μ₀ni where

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  • n = number of turns per unit length = 3,170 turns/m and
  • i = current in solenoid = 6.7 A

Since B = μ₀ni

Substituting the values of the variables into the equation, we have

B = μ₀ni

B = 4π × 10⁻⁷ Tm/A × 3,170 turns/m × 6.7 A

B = 4π × 10⁻⁷ Tm/A × 21239 A-turns/m

B = 84956π × 10⁻⁷ T

B = 266897.15 × 10⁻⁷ T

B = 0.026689715 T

B ≅ 0.0267 T

So, the magnitude of the magnetic field in the central area inside the solenoid, in T is 0.0267 T

Learn more about magnetic field inside a solenoid here:

brainly.com/question/25562052

6 0
2 years ago
Need help asap thanks
Ymorist [56]

Answer:

A

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for a right angled triangle, the sum of the square of the two sides should be equal to the square of the hypotenuse. If this rule does not hold, the dimensions do not represent the side of a right angled triangle.

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where a = length

b = base

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4² + 10² ≠ 16²

6² + 12² = 13²

7² + 24² = 25²

8² + 15² = 17²

8 0
3 years ago
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