3 years ago

Why is physics worth knowing about

Physics

1 answer:

NemiM [27]3 years ago

7 0

Answer:

Physics can help you in your everyday life.

Explanation:

It can also help you in life treating situations.

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2 cannons fire projectiles upwards with the same velocity. The

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Answer:

Explanation:

Given

Two projectile is fired vertically upward

One has 4 times the mass of other

When Projectile is fired their trajectory is independent of mass of object. Also if they launched with same speed then both achieved same maximum height in same time and will hit the ground at the same moment.

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3 years ago

Plastics are used in millions of objects we use every day. Why are plastics NOT considered natural resources?

jeka57 [31]

Answer:

Explanation:

Yes plastic is artficial

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How much wood could a wood chuck chuck if a wood chuck could chuck wood

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As much wood as a woodchuck could chuck, If a woodchuck could chuck wood.

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2 years ago

2. A person applies a force of 66 N to a fridge as they push it across the length of a standard tennis court. So far today, the

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Answer:

$P=39.2205\, watt$

$E=374.948 \,cal$

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Given that:

force applied, $F=66\,N$

displacement, $s=23.77\,m$ (length of a tennis court)

time taken for pushing, t = 40 s

Since, work is given by:

$W=F.s$

$W=66\times 23.77$

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$P=\frac{W}{t}$

$P=\frac{1568.82}{40}$

$P=39.2205 \,watt$

Calories consumed is:

$E= 1568.82\times 0.239$

$E=374.948\, cal$

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3 years ago

Someone solve this please...........

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The answer is 4x³ + 6x²

<u>-TheUnknownScientist</u><u> 72</u>

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