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rjkz [21]
3 years ago
13

a student wants to keep their coffee hot they have a choice of putting it in a silver drinks container or a blacks drinks contai

ner
Physics
1 answer:
Vaselesa [24]3 years ago
5 0

Answer: a silver cup would be better because it would most Likely be metal and metal. Keeps things hot for a long time

Explanation:

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By looking at the relative positions of the elements calcium, Ca, fluorine, F, sulfur, S, and oxygen, O, in the Periodic Table,
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Answer:

id say the first option.

Explanation:

hope this helps you!

8 0
3 years ago
Bartek w czasie 2minut przesunął ruchem jednostajnym kamień na odległość 0,5m.Oblicz moc mięśni Bartka jeśli siła oporów wynsiła
Ipatiy [6.2K]

Answer:

Bartek's muscle power = 2.667 W

Moc mięśni Bartka = 2.667 W

Explanation:

English Translation

Bartek within 2 minutes moved the stone

steadily at a distance of 0.5 m. Calculate Bartek's muscle power , if the resistance force was 640N.

The power, P, expended or generated by moving a body to move a velocity, v, against a resistive force, F is given as

P = Fv

P = ?

F = 640 N

v = velocity = (0.5) ÷ (2×60) = 0.00416667 m/s

P = 640 × 0.0041666667 = 2.667 W

In Polish/Po polsku

Moc P, zużyta lub wytworzona przez poruszanie ciałem w celu przemieszczenia prędkości v przeciwko sile oporowej, F jest podawana jako

P = Fv

P = ?

F = 640 N

v = velocity = (0.5) ÷ (2×60) = 0.00416667 m/s

P = 640 × 0.0041666667 = 2.667 W

Hope this Helps!!!

Mam nadzieję że to pomoże!!

4 0
3 years ago
Help pls !!! Which statement is true for nuclear reactions but not for chemical reactions?
iris [78.8K]

Answer:

D

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7 0
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The answer would be C. Refraction
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Atomic Number would be what you are looking for 

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