What is a prediction

Answers

Answer 1

Answer: An educated guess about something. (What might happen in the future)

Answer 2

Answer: a prediction is like a educated answer

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10 POINTS!!! Determine the pressure of your book in pascals (Pa). Show your work! (the pressure of the book in psi is 0.03 psi) Also the weight of the book is 3 lbsHInt: 1 Pa = 1 N/m^2 Weight (force) = ma 1 kg = 2.2 lbs 1 inch = 2.54 cm 1m = 100 cm

Answers

You've listed a lot of data here, in both metric and customary units,
and I'm not even sure it's all needed. Let me try and boil it down:

Pressure on a surface =
   (total force on a surface) divided by (area of the surface).

The answer to the question is the pressure expressed in pascals.
There's actually enough information here to answer the question
in 2 different ways. We could ...

-- simply convert (0.03 pound per inch²) to pascals, or
-- go through the whole calculation of force, area, and then their quotient.

To me, converting 0.03 psi to Pa looks easier.

-- 1 pascal = 1 newton / 1 meter²

-- On Earth, 1 kilogram of mass weighs 9.8 Newtons and 2.2 pounds.
From this, we can calculate that

2.2 pounds of force = 9.8 newtons of force.

   1 pound = 4.45 newtons

(0.03 pound/inch²) x (4.45 newton/pound) x (1inch/2.54cm)² x (100cm/1m)² =

(0.03 x 4.45 x 1² x 100²) / (2.54² x 1²)    newton/meter² = 206.9 Pa .

The speed of the cat

Answers

You awser is c to the question

lighting and thunder accour at the same time yet we see the flash of lightning before we hear the clap of thunder what does this indicate about the speed of light compared with the speed of sound

Answers

Answer:

it shows that the speed of light moves faster in open space and speed of sound doesn't move as fast as the speed of light

Explanation:

Recall Elmer Trett, who in 1994 reached a speed of 103m/s on his motorcycle. Suppose trett drives off a horizontal ramp at this velocity and lands a horizontal distance of 40.0m away from the edge of the ramp. What is the height of ramp?

Answers

Speed of the motor cycle is given as

$v_x = 103 m/s$

distance that he moved off from the ramp is given as

$x = 40 m$

now we know that

$x = v_x * t$

$40 = 103* t$

$t = 0.39 s$

now we can use this to find the height

$h = v_i*t + (1)/(2)gt^2$

$h = 0 + (1)/(2)*9.8*0.39^2$

$h = 0.74 m$

so its height will be 75 cm from ground

Final answer:

The height of the ramp is approximately 0.748m.

Explanation:

To find the height of the ramp, we can use the equations of motion. Since the motorcycle leaves the ramp horizontally, the horizontal distance traveled is equal to the initial horizontal velocity multiplied by the time of flight.

Using the equation x = vt, where x is the horizontal distance traveled, v is the initial horizontal velocity, and t is the time of flight, we can solve for t.

For this problem, the horizontal distance is 40.0m and the initial horizontal velocity is 103m/s. Substituting these values into the equation, we get t = x/v = 40.0m / 103m/s = 0.388s.

Next, to find the height of the ramp, we can use the equation h = (1/2)gt^2, where h is the height of the ramp and g is the acceleration due to gravity (approximately 9.8m/s^2). Substituting the value of t we found into the equation, we get h = (1/2)(9.8m/s^2)(0.388s)^2 = 0.748m.

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Why do scientists use analysis methods when developing new technology?

Answers

They use them when they want to prove something right. They analyze their data and make sure everything is correctly written down and there's no mistakes. Otherwise, the technology they create, will not work and there could be a slight chance that they got one tiny miscalculation and it offsets everything they wanted to be in the technology.

Final answer:

Scientists use analysis methods when developing new technology to enhance effectiveness and guide future research. This process involves using models, theories, laws, and analytical techniques to interpret data and test hypotheses, leading to continuous advancements across various fields.

Explanation:

Scientists use analysis methods when developing new technology to ensure the accuracy, efficiency, and effectiveness of their designs. The analytical process includes the use of models, theories, and laws to help interpret the data collected and guide future research directions. New technologies, such as mass spectrometry in protein analysis or enhanced microscopy techniques in physics, rely heavily on these analysis methods for progress and innovation.

Additionally, the process of testing and refining a hypothesis through experimentation and data analysis is at the heart of scientific inquiry. This systematic approach feeds into the development of new technology, contributing to the accuracy and reliability of the findings. Upon analyzing the results, scientists formulate new ideas that push the envelope of what is technologically possible.

Lastly, advancements in technology, whether they be in the realm of hardware or software, often drive discoveries in other fields. For example, breakthroughs in engineering have often led to significant developments in biology and chemistry. Therefore, the use of analysis methods in the development of new technology is not only crucial for the enhancement of the technology itself but also for its subsequent impact on other disciplines.

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If a 100 N net force acts on a 50 kg car, what will the acceleration of the car will be?

Answers

according to newton's law Force = mass * acceleration
so , 100 = 50 * a
so , a= 2 m/s^2

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