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3 years ago

ANSWER FAST FOR BRAINLIEST!

Physics

2 answers:

Sauron [17]3 years ago

8 0

The type of image which is formed by the refracting telescope are magnified inverted and non-real image.

Answer: Option A

<u>Explanation: </u>

The refractive lens uses it lens as the objective to form an image. This type of telescope are used as spy glasses and astronomical telescopes.

The refracting telescope makes the magnified image which can be also be termed as the enlarged image. Image formed by the refracting telescope is the inverted image which can also be written as the upside down image.

The nature of image formed is non-real that is virtual image. The purpose of telescope is to see far distant object and thus needs to produce enlarged image.

Ne4ueva [31]3 years ago

7 0

Answer:

the last one

Explanation:

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Is the moon blue????????

Zolol [24]

No, according to many pictures taken in space, the moon is white. However, on rare occasions, the moon appears blue.

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7 0

3 years ago

Read 2 more answers

17. A volleyball weighs about 300 grams.

atroni [7]

Answer:

PE = 44.1 J

Explanation:

Ok, to have the specific data, the first thing we must do is convert from grams to kilograms. Since mass must always be in kilograms (kg)

We have:

1 kilograms = 1000 grams.

We convert it using a rule of 3, replacing, simplifying units and solving:

$\boxed{\bold{x=\frac{gr*1\ kg}{1000\ gr}=\frac{300\ gr*1\ kg}{1000\ gr}=\frac{300\ kg}{1000}=\boxed{\bold{0.3\ kg}}}}$

==================================================================

Earth's gravity is known to be 9.8 m/s², so we have:

Data:

m = 0.3 kg
g = 9.8 m/s²
h = 15 m
PE = ?

Use formula of potencial energy:

$\boxed{\bold{PE=m*g*h}}$

Replace and solve:

$\boxed{\bold{PE=0.3\ kg*9.8\frac{m}{s^{2}}*15\ m}}$

$\boxed{\boxed{\bold{PE=44.1\ J}}}$

Since the decimal number, that is, the number after the comma is less than 5, it cannot be rounded, then we have this result.

The potential energy of the volleyball is <u>44.1 Joules.</u>

Greetings.

8 0

3 years ago

I did questions 2 and 3 but I don't know if they are right. Someone help!

Tems11 [23]

You got it right my friend

8 0

3 years ago

Read 2 more answers

A 35 kg box rests on the back of a truck. The coefficient of static friction bet?005 (part 1 of 2)A 35 kg box rests on the back

elena-14-01-66 [18.8K]

Answer with Explanation:

We are given that

Mass of box=35 kg

Coefficient of static friction between box and truck bed=0.202

Acceleration due to gravity= $9.8 m/s^2$

a.We have to find the force by which the box accelerates forward.

Force by which box accelerates= $\mu mg=0.202\times 9.8\times 35$

Force by which box accelerates= $62.286 N$

b.We have to find the maximum acceleration can the truck have before the box slides.

Force =friction force

$ma=\mu mg$

$a=\mu g=9.8\times 0.202=1.9796 m/s^2$

Hence, the truck can have maximum acceleration before the box slide= $1.9796 m/s^2$

3 0

3 years ago

Explain how evaporation cools a liquid

MAVERICK [17]

When evaporation occurs liquid absorbs heat from the surroundings to get converted to its vapour form as a result, there is an overall decrease in the heat leading to cooling of the liquid.

Hope that this was helpful :)

8 0

3 years ago