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3 years ago

11

Give four importantnce of recycling

2 answers:

Crank3 years ago

8 0

Answer:

prevents pollution, reduces the need to harvest new raw materials, saves energy, reduce greenhouse gas

allochka39001 [22]3 years ago

7 0

Answer:

1..) It helps to protect the environment.

2..) It conserve Natural Resource.

3..) It reduces pollution.

4..)Global warming.

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stepladder [879]

The answer you have is right good job 12

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3 years ago

Can some answer 7 a and b please

pav-90 [236]

Answer:

a.After $15$ second Mr Comer's speed $=$ $1.7 m/s$

b.Distance travelled by Mr.Comer in $15$ seconds $=$ $18.75\ m$

Explanation:

a. Lets recall our first equation of motion $V_{f} =V_{i} + at$

Now we know that $V_{i} = 0.8m/s$ , $a = 0.06\ m/s^2$ and

$t = 15 \ sec$

Plugging the values we have.

$V_{f} =V_{i} + at$

$V_{f} =0.8 + 0.06 \times 15$

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$V_{f} =1.7 m/s$

Then Mr.Comer's speed after $15$ sec $=$ $1.7ms^-1$

b.

Lets find the distance and recall our third equation of motion.

$V_{f} ^2-V{i}^2 = 2as$

So $s =$ distance covered.

Dividing both sides with 2a we have.

$\frac{V_{f} ^2-V{i}^2}{2a} = 2as$

Plugging the values.

$\frac{(1.7)^2-(0.8)^2}{2\times0.06} = 2as$

$s= 18.75\ m$

So Mr.Comer will travel a distance of $s= 18.75\ m$ .

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4 years ago

Physical properties of minerals graphic organizer

Nadusha1986 [10]

The answer is in the attachment
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3 years ago