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Ede4ka [16]
3 years ago
6

Which product forms from the synthesis reaction between calcium (Ca) and

Physics
2 answers:
cestrela7 [59]3 years ago
5 0

Answer:

CaCl2

Explanation:

Ganezh [65]3 years ago
4 0

Answer:

its a! the answer is a

Explanation:

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The children at the local park think the slide is too slow. There is too much fiction. What could you do to decrease the amount
igor_vitrenko [27]
In order to decrease the friction on the slide,
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-- Hire a man to spread a coat of butter on the whole slide,
every 30 minutes.

-- Spray the whole slide with soapy sudsy water, every 30 minutes.

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7 0
4 years ago
What statements correctly describe magnetism?
insens350 [35]
A best describes magnetism
3 0
3 years ago
A gasoline engine receives 200 J of energy from combustion and loses 150 J as heat to the exhaust. What is its efficiency? 75% 2
choli [55]
50/200×100%=25% is answer the formula is usefull energy output divided by total energy provided into 100%
8 0
3 years ago
Read 2 more answers
Who was the discoverer of the neutron
Pavel [41]

Answer:

James Chadwick

Explanation:

In May 1932 James Chadwick announced that the core also contained a new uncharged particle, which he called the neutron

6 0
2 years ago
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If two vectors are perpendicular to each other, how should you add them?
Aleksandr [31]

Let us consider two vectors A and B.

As per the question, the two vectors are perpendicular to each other.

Hence the angle between them  \theta =90 degree

We are asked to calculate the resultant of these two vectors.

As per parallelogram law of vector addition, the resultant of two vectors are-

                      R=\sqrt{A^{2}+ B^{2}+2ABcos\theta

                                =\sqrt{ A^{2}+ B^{2}+2AB*cos90}    [cos90=0]

                                =\sqrt{ A^{2}+ B^{2}

This is the way by which we can add two perpendicular vectors.


8 0
4 years ago
Read 2 more answers
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