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Mars2501 [29]
3 years ago
12

The end of the ordovician period was signaled by

Biology
1 answer:
eimsori [14]3 years ago
3 0
According to historical accounts, through the use of advancements in technologies like the carbon dating, it is roughly estimated by scientists that the Ordovician Period lasted only for 45 million years. The end of its era was theorised to had signalled when there was a mass extinction of the marine animals.
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KengaRu [80]

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3 years ago
An object has a kinetic energy of 32 J and a mass of 36 kg, how fast is the object moving?
marin [14]

Answer:

1.33 m/s

Explanation:

The formula for Kinetic Energy is given as:

K.E=\frac{1}{2} mv^{2} \\

Where, m is the mass and v is the velocity of the object. In order to tell how fast is the object moving we need to calculate its velocity.

Re-arranging the above equation and isolating v, we get

2 K.E = mv^{2}\\\\v^{2} = \frac{2 K.E}{m}

Putting values in this equation, we get:

v^{2}=\frac{2 \times 32}{36}\\\\ v^{2}=\frac{16}{9}\\\\ v=\frac{4}{3}\\\\  v=1.33

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7 0
3 years ago
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eimsori [14]
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4 0
3 years ago
Question:
maksim [4K]

Explanation:

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6 0
2 years ago
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timurjin [86]

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Explanation:

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5 0
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