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Lelu [443]
3 years ago
13

Out of hypothesis, theories and laws “can help predict future events”

Physics
1 answer:
Amanda [17]3 years ago
7 0

Answer:

true

Explanation:

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In 1898, the world land speed record was set by Gaston Chasseloup-Laubat driving a car named Jeantaud. His speed was 39.24 mph (
FromTheMoon [43]

Answer:

the acceleration a^{\to} = (0.0159 \ \ m/s^2 )i

Explanation:

Given that:

the initial speed v₁ = 0 m/s i.e starting from rest ; since the car accelerates at a distance Δx = 6 miles in order to teach that final speed v₂ of 63.15 km/h.

So;  the acceleration for the first 6 miles can be calculated by using the formula:

v₂² = v₁² + 2a (Δx)

Making acceleration  a the subject of the formula in the above expression ; we have:

v₂² - v₁² = 2a (Δx)

a = \dfrac{v_2^2 - v_1^2 }{2 \Delta x}

a = \dfrac{(63.15 \ km/s)^2 - (0 \ m/s)^2 }{2 (6 \ miles)}

a = \dfrac{(17.54 \ m/s)^2 - (0 \ m/s)^2 }{2 (9.65*10^3 \ m)}

a =0.0159 \ m/s^2

Thus;

Assume the car moves in the +x direction;

the acceleration a^{\to} = (0.0159 \ \ m/s^2 )i

7 0
3 years ago
If a textbook weighs 37.2 N on Venus, and the book has a mass of 4.4 kg, what is the strength of gravity on Venus?
Romashka [77]

F=ma

Where F is force, m is mass and a is acceleration.

37.2N=4.4kg\cdot a\Longrightarrow a=\dfrac{37.2N}{4.4kg}=\boxed{8.45\dfrac{m}{s^2}}

Hope this helps.

r3t40

4 0
3 years ago
What is the chemical formula for magnesium sulfide?
ira [324]

Answer:

MgS

Explanation:

4 0
3 years ago
Explain how bar graphs can show comparisons between 2 topics.
Pachacha [2.7K]

Answer:

A bar chart is typically used for the comparison of informations obtained from a data collection by representing each value (information) with rectangular bars respectively.

Explanation:

A bar chart also known as a bar graph can be defined as the graphical representation of data (informations) by using vertical columns or rectangular bars. When a data set is observed, a bar chart can be used to graphically represent or record the total or overall amount of information contained therein. Generally, bar charts are used for the comparison of informations obtained from a data collection by representing each value (information) with rectangular bars respectively.

The bar graph has a x-axis and a y-axis used to represent the various categories of data collected.

In this scenario, the x-axis is used to denote the points earned by the teams while the y-axis is used to denote the seasons as seen in the image attached.

<em>Hence, point scores by team (Team A, B and C) per seasons (2002, 2003, 2004 and 2005) can best be compared through the use of a bar chart (graph).</em>

8 0
3 years ago
Read 2 more answers
Answer the question to the scenario below. What would you do if you were in this situation? Explain what you would do and why? B
lana [24]

Well talking , reading and writing are the tri skills merging for regular communication . It is most crucial to learn how to behave in a disciplined environment .Trying to help a person who does not speak the same language that you do won't be a rose walk journey . Learn to think and write complete things related to skill development and shape your personality .

Stamina to rejuvenate and think with more alacrity arouses when you read your confidence. Character sketching is one of the solution greatly can impact on thinking abilities and speaking art. Language is not just the soul of the communication but also holds integral part to satire public and attract them.

To understand more about skill development

brainly.com/question/24220604

#SPJ1                                              

5 0
2 years ago
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