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Ganezh [65]
3 years ago
15

1 point

Physics
1 answer:
Lady_Fox [76]3 years ago
5 0

Answer:C producer

Explanation:

Because producers are the one that makes their own food. For example plants they get there energy from sun to make their own food.

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Masteriza [31]

Answer:

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Explanation:

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3 years ago
a student holds a 3.0kg mass in each hand while sitting on a rotating stool. when his arms are extended horizontally, the masses
sweet-ann [11.9K]

Answer:

Explanation:

Due to change in the position of 3 kg mass , the moment of inertia of the system changes , due to which angular speed changes  . We shall apply conservation of angular momentum , because no external torque is acting .

Initial moment of inertia I₁ = M R² = 3  x 1 ² = 3 kg m²

Final moment of inertia I₂ = M R² = 3  x .3 ² = 0.27  kg m²

Applying law of conservation of angular momentum

I₁ ω₁ = I₂ ω₂

Putting the values ,

3 x .75 = .27 x ω₂

ω₂ = 8.33 rad / s

New angular speed = 8.33 rad /s .

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3 years ago
A scientist is trying to determine whether a newly observed phenomenon can be described as a wave. Which of the following questi
Step2247 [10]

Answer:

B. does it transfer energy

A wave is a disturbance in a medium. Particles vibrate and TRANSFER their ENERGY to their neighbors.

7 0
3 years ago
Please help right now!!! MARK BRAINLIEST
hram777 [196]
For #2.
(A) The resultant velocity of the boat is the hypotenuse of a right triangle with the sides being the river and boat velocities.
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(B) The river velocity is not opposing the direction of travel, it increases the boats velocity from 2m/s to 2.5m/s
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Since the baseball is half the weight of the softball, the baseball has to go twice as fast as the softball.

So the best answer would be D
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3 years ago
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