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kow [346]
3 years ago
9

True or false. When populations do not exceed their environment carrying capacity biology communities are stable?

Physics
2 answers:
Natasha_Volkova [10]3 years ago
4 0
Answer:
True

Explanation:
Biology communities are stable when populations do not exceed their environments carrying capacity. Their communities are also stable when the resources for survival are sustained.
mars1129 [50]3 years ago
4 0

Answer:

True

Explanation:

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Which of the following statements is true?
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The first option is true, water vapor helps keep the Earth's heat from escaping into space.

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A firecracker is placed in the middle of a cluster of stationary billiard balls. The firecracker-billiard ball system sits on a
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A beetle with a mass of 15.0 g is initially at rest on the outer edge of a horizontal turntable that is also initially at rest.
vichka [17]

Answer:

- 8.33 x 10⁻³ rad /s ( anticlockwise)

Explanation:

The rotational movement of beetle and turntable is caused by torque generated by internal forces , we can apply conservation of  angular momentum.

That is ,

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ω₁ + ω₂ = .05 radian /s ( given )

Momentum of inertia of beetle I₁ = mass x (distance from axis)²

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Momentum of inertia of turntable  I₂ =1/2 mass x (distance from axis)²

= 75/2 x 10⁻³ x R² ( R is radius of the turntable )

I₁ ω₁ = I₂ω₂ ,

15 x 10⁻³ x R² x ( .05 -  ω₂ ) = 75/2 x 10⁻³ x R² ω₂

15 x  ( .05 -  ω₂ ) = 75/2 x  ω₂

.75 - 15ω₂ = 37.5ω₂

.75 = 52.5  ω₂

ω₂ = - 14.3  x 10⁻³ rad /s ( anticlockwise)

7 0
2 years ago
A spring is 4 cm long. A student hangs a weight of 2N. It is now 5.5 cm long.
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(i)1.5cm
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(iii)10cm
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An airplane is flying at 635 km per hour at an altitude of 35,000 m. What is its velocity?
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Distance 350 Km

Time 1 hour

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your answer is a

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