2 years ago

1. Which of the following is not included

Physics

1 answer:

Harrizon [31]2 years ago

8 0

Answer:

cartilage

Explanation:

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If you had a rock with a volume of 237 ml and a density of 4.52 g/ml how much mass would it have?

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Explanation:

Mass = Volume * Density

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2 years ago

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A soccer ball with a mass of 0.45 kg is kicked and is moving at 8.9 m/s. Find the kinetic

strojnjashka [21]

Answer:

17.82J

Explanation:

Kinetic energy = 1/2 mv^2

Given

Mass M = 0.45kg

Velocity v = 8.9m/s

Therefore,

K.E. = 1/2 x 0.45 x (8.9)^2

= 1/2 x 0.45 x (8.9 x 8.9)

= 1/2 x 0.45 x 79.21

Multiply through

= 35.6445/2

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The kinetic energy of the ball is 17.82J

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2 years ago

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kenny6666 [7]

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2 years ago

Flapping flight is very energy intensive. A wind tunnel test

steposvetlana [31]

Answer:

The metabolic power for starting flight=134.8W/kg

Explanation:

We are given that

Mass of starling, m=89 g=89/1000=0.089 kg

1 kg=1000 g

Power, P=12 W

Speed, v=11 m/s

We have to find the metabolic power for starting flight.

We know that

Metabolic power for starting flight= $\frac{P}{m}$

Using the formula

Metabolic power for starting flight= $\frac{12}{0.089}$

Metabolic power for starting flight=134.8W/kg

Hence, the metabolic power for starting flight=134.8W/kg

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Scientists often work on projects for a long time and fail to see sources of error in their research. Which process allows an ou

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Answer:

Peer Review

Explanation: I took the test

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