3 years ago

What is the answer in number 3?

Physics

2 answers:

PIT_PIT [208]3 years ago

8 0

A nonmetal. Its is made of par metal

jok3333 [9.3K]3 years ago

4 0

Alloy?

But it's more chemistry

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ycow [4]

Answer b

Explanation:

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The radius of curvature of a spherical mirror is 20cm.What is its focal length?

hichkok12 [17]

Answer:

$\boxed{\sf Focal \ length = 10 \ cm}$

Given:

Radius of curvature (R) of a spherical mirror = 20

To Find:

Focal length (f)

Explanation:

Formula:

$\boxed{ \bold{\sf Focal \ length \ (f) = \frac{Radius \ of \ curvature \ (R)}{2}}}$

Substituting value of R in the equation:

$\sf \implies f = \frac{20}{2}$

$\sf \implies f = \frac{ \cancel{2} \times 10}{ \cancel{2}}$

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lutik1710 [3]

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Name human body organs where magnetism is significant

ser-zykov [4K]

It has been hypothesized, and some studies have supported the conjecture,
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I don't think there is any such notion where human beings are concerned.

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3 years ago

1. What is the acceleration of a car that goes from 20 Km/hr to 100 km/hr in 8 seconds?

san4es73 [151]

Answer:

10 :)

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Hope this helps.

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