2 years ago

What course the colour of silt soil?

Physics

1 answer:

Nata [24]2 years ago

3 0

Answer:

Beige to black.

Explanation:

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3 years ago

A train brakes from 25 m/s to rest in 30 sec. What is its deceleration?

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Explanation:

a = v \ t

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2 years ago

Which planet has a moon with many sulfur volcanoes?

Murljashka [212]

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2 years ago

Which of the following has the greatest kinetic energy? A. a mass of 4m at velocity v. B. a mass of 3m at velocity 2v. C. a mass

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Answer:

Option C

Explanation:

Kinetic energy is the energy that the body possesses by virtue of its motion.

The formula for Kinetic energy is given by $\frac{1}{2} mv^2$

Using this formula let us find kinetic energy for the bodies given and find out which is the greatest

A) KE = $\frac{1}{2} (4m)(v^2) = 2mv^2$

B) KE = $\frac{1}{2} (3m)(2v)^2 = 6mv^2$

C) KE = $\frac{1}{2} (2m)(3v)^2 = 9mv^2$

D) KE = $\frac{1}{2} (3)(4v)^2 = 8mv^2$

Comparing these we find that 9mv^2 is the highest.

Hence option C is the answer.

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3 years ago

1. What happens to an atom when it gains electrons? *

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Answer: An atom that gains or loses an electron becomes an ion. If it gains a negative electron, it becomes a negative ion. If it loses an electron it becomes a positive ion

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2 years ago

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