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3 years ago

In a tropic level, energy flows from the producer to the primary consumer and to a secondary consumer. True False

Physics

1 answer:

Ganezh [65]3 years ago

4 0

Answer:

True

Explanation:

This is true because in an energy flow, the primary producers such as plants produce their own foods by using energy from the sun. These primary producers are consumed by primary consumers such as rabbits for food, while secondary consumers such as snakes would consume the primary consumers.

By so doing, energy flows from one trophic level to the other.

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A young 34-kg ice hockey goalie, originally at rest, catches a 0.145-kg hockey puck slapped at him at a speed of 34.5 m/s. In th

irinina [24]

The concept that we need to give solution to this problem is collision equation given by momentum conservation,

Our values are,

$m_2 = 0.145 kg\\u_2 = 34.5 m/s\\m_1 = 34 kg\\u_1 = 0$

Then,

Part A) We can here note that the velocity for the puck is zero (there is not a velocity in that direction)

$V_{goalie} = \frac{m_1-m_2}{m_1+m_2}V_{01} + \frac{2m_2}{m_1+m_2}V_{02}$

$V_{goalie} = \frac{34-0.145}{34+0.145}(0)+\frac{2*0.145}{34+0.145}(34.5)$

$V_{goalie} = 0.2930m/s$

Part B ) We apply the same solution but know we note that in the collision for the Goalie the velocity is zero.

$V_{puck} = \frac{m_1-m_2}{m_1+m_2}V_{02} + \frac{2m_2}{m_1+m_2}V_{01}$

$V_{puck} = \frac{34-0.145}{34+0.145}(34.5)+\frac{2*0.145}{34+0.145}(0)$

$V_{puck} = 34.20m/s$

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3 years ago

The oxygen in earth’s atmosphere is a product of what?

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Answer:

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3 years ago