4 years ago

Does exists the friction force in space?If yes,tell an full example

1 answer:

5 0

Yes, friction does exist in space. Friction has nothing to do with the earth's atmosphere. It exists everywhere in the universe. <span />

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A block of mass 2kg is acted upon by two forces: 3N (directed to the left) and 4N (directed to the right). What can you say abou

Marizza181 [45]

Answer:

The block will be move in to right side.

Explanation:

Given that,

Mass of block = 2 kg

First force = 3 N

Second force = 4 N

We need to calculate the acceleration

For first force,

Using newton's second law

$F= ma$

$a = \dfrac{F}{m}$

Put the value into the formula

$a=\dfrac{3}{2}$

$a=1.5\ m/s^2$

We need to calculate the acceleration

For second force,

$a=\dfrac{4}{2}$

$a=2\ m/s^2$

So, we can say that the block will be move to right side because the acceleration is maximum in to right side.

Hence, The block will be move in to right side.

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3 years ago

The process of heat radiation is the ONLY method of heat transfer that can occur _____.

Neko [114]

B) through space I am sorry if it is wrong

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3 years ago

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True or false MRI scans, X rays, and tomography help doctors see bones inside a persons body?

Julli [10]

True x rays help you see broken bones right ?

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3 years ago

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What is the approximate diameter of an inflated

forsale [732]

Well let's convert all these values out of standard form first:

2x10^-2 = 2x0.01 = 0.02m = 2cm
2x10^0m = 2x1 = 2m
2x10^-1m = 2x0.1 = 0.2m = 20cm
2x10^1m = 2x10 = 20m

Based on that, we know that 20cm is roughly equivalent to a basketball (at least it's closer than all the other values), so the answer is therefore 2 - 2x10^-1m

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3 years ago

What is the net force needed to accelerate a 21.4 kg grocery sack upward at 1.5 m/s2?

marshall27 [118]

Answer:

32.1 N Please Give Brainliest

Explanation:

force = mass x acceleration

8 0

2 years ago