4 years ago

Which of the following are more reactive than tin?

Physics

2 answers:

Paladinen [302]4 years ago

4 0

C aluminum because it has iron.

levacccp [35]4 years ago

3 0

The answer is Aluminum if iron was on there it would be that too

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3 years ago

An object is acted upon by the forces F1equalsleft angle12,7,2right angle and F2equalsleft angle0,4,8right angle. Find the f

Umnica [9.8K]

Answer:

$F_3=(-12,-11,-10)$

Explanation:

It is given that,

Force, $F_1=(12,7,2)$

Force, $F_2=(0,4,8)$

We need to find the force F₃ that must act on the object so that the sum of the forces is zero. Let $F_3=(x,y,z)$

According to question, $F_1+F_2+F_3=0$

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The third force is equal to,

$F_3=(-12,-11,-10)$

Hence, this is the required solution.

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