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motikmotik
3 years ago
11

There are very, very few times that scientists make estimations because they don’t have enough time or data to test all the poss

ible answers to the question they have. TRUE OR FALSE
Physics
1 answer:
Zanzabum3 years ago
6 0
True, it’s limited to when they use estimations at most
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If the angular magnification of an astronomical telescope is 42 and the diameter of the objective is 72 mm, what is the minimum
andriy [413]

Answer:

Minimum diameter=1.714

Explanation:

Angular magnification=fob/fey=42

fob=40*fey

Hence minimum diameter=diameter of objective/angular magnification

minimum diameter=72/42=1.714

4 0
3 years ago
Arrange the core steps of the scientific method in sequential order.
andriy [413]
<span>the picture bellow gives you all the answers, this picture was given to my class by my science teacher a few years ago so it is accurate

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4 0
3 years ago
Read 2 more answers
How are pendulums used in society? Give an example of a real-world pendulum that transfers a lot of energy.
mart [117]

Answer:

An old clock that has a swinging pendulum

Explanation:

7 0
3 years ago
the half-life of carbon-14 is 5,730 years. After 11,460 year, how much of original carbon-14 remains?
Inessa [10]

Via the half-life equation:

A_{final}=A_{initial}(\frac{1}{2})^{\frac{t}{h}}

Where the time elapse is 11,460 year and the half-life is 5,730 years.

A_{final}=A_{initial}(\frac{1}{2})^\frac{11460}{5730} \\\\A_{final}=A_{initial}\frac{1}{4} \\\\A_{final}=\frac{1}{4}A_{initial}

Therefore after 11,460 years the amount of carbon-14 is one fourth (1/4) of the original amount.

6 0
3 years ago
What is the maximum weight a boat can hold if a boat can displace 60.5ml?
Valentin [98]

Answer:

a. 60.5 kg

Explanation:

Given data,

The maximum water a boat can displace is, 60.5 ml

According to the principle of buoyancy, the weight of the floating body is equal to the weight of the liquid displaced.

Under standard temperature and pressure, a unit mass of water equals one liter.

If a boat can displace a maximum of 60.5 ml of water, then it can hold a mass of a maximum of 60.5 kg of mass.

6 0
3 years ago
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