PHYSICS HIGH SCHOOL

If a big person and a small person run up the stairs at the same time who has more force

Answers

Answer 1

Answer:

Answer:

a big person

Explanation:

because the big person exerts more force over the same distance

Answer 2

Answer:

Answer:

the big person exerts the largest force on the stairs because he weighs more

Explanation:

this question answer is ☝️☝️

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If you rub your hands together, does the entropy of the universe increas, decrease, or stay the same

Answers

Answer:

When you rub your hands together, the entropy of the universe increases. This increase in entropy is a result of the second law of thermodynamics, which states that in any energy transfer or transformation, the total entropy of an isolated system will always increase over time.

In this case, when you rub your hands together, you are converting some of the ordered kinetic energy of your hand motion into thermal energy (heat) due to friction. This process increases the randomness and disorder of the particles involved, including the molecules in your skin and the surrounding air. As a result, the overall entropy of the system, which includes your hands, the air, and everything else involved, increases.

So, the act of rubbing your hands together leads to an increase in entropy in the universe, consistent with the second law of thermodynamics.

Explanation:

Which state of matter contains particles that move slightly in a fixed posistion

Answers

Solid moves slightly in a fixed position

Answer:

soliddddd

Explanation:

A car acclerates forward at 3.5m/s2 .if the car has a mass of 873 kg, whats the force applied to the car

Answers

Newton's second law.
F=ma=873*3.5=3055.5 N

Net force on the car = mass x acceleration = 873x3.5 = 3055.5N.

How long will it take a car to accelerate from 15.2 to 23.5 m/s if the car has an average acceleration of 3.2 m/s?

Answers

It will take a car, 2.59 s to accelerate from 15.2 to 23.5 m/s.

What is Speed?

speed is described as. the pace at which an object's location changes in any direction. Speed is defined as the distance traveled divided by the travel time. Speed is a scalar quantity because it just has a direction and no magnitude.

Given, the car has an average acceleration of 3.2 m/s².

To solve this problem, we can use the following kinematic equation:

v = u +at

where:

v is the final velocity (23.5 m/s)

u is the initial velocity (15.2 m/s)

a is the acceleration (3.2 m/s^2)

t is the time

We can rearrange this equation to solve for t:

t = (v -u)/a

substituting the values we have:

t = (23.5 - 15.2 ) / 3.2

t = 2.59375 seconds

Therefore, it will take approximately 2.59 seconds for the car to accelerate from 15.2 m/s to 23.5 m/s with an average acceleration of 3.2 m/s².

Learn more about speed here:

brainly.com/question/28224010

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Hello!

How long will it take a car to accelerate from 15.2 m/s to 23.5 m/s if the car has an average acceleration of 3.2 m/s² ?

We have the following data:

Vf (final velocity) = 23.5 m/s

Vi (initial velocity) = 15.2 m/s

ΔV (speed interval) = Vf - Vi → ΔV = 23.5 - 15.2 → ΔV = 8.3 m/s

ΔT (time interval) = ? (in s)

a (average acceleration) = 3.2 m/s²

Formula:

$a = \frac{\Delta{V}}{\Delta{T^}}$

Solving:

$a = \frac{\Delta{V}}{\Delta{T^}}$

$3.2 = \frac{8.3}{\Delta{T^}}$

$\Delta{T^} = (8.3)/(3.2)$

$\Delta{T^} = 2.59375 \to \boxed{\boxed{\Delta{T^} \approx 2.6\:s}}\:\:\:\:\:\:\bf\green{\checkmark}$

Answer:

The car will take approximately 2.6 seconds to accelerate

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I Hope this helps, greetings ... Dexteright02! =)

Marshall determines that a gas has a gage pressure of 276 kPa whats the absolute pressure of this gasA: 176 kPa
B: 156 kPa
C: 326 kPa
D: 376 kPa

Answers

The right answer for the question that is being asked and shown above is that: "B: 156 kPa ." Marshall determines that a gas has a gage pressure of 276 kPa whats the absolute pressure of this gas B: 156 kPa

your answer is 376kpa hope this helps :) just toke the test :)
GUD LUCK!

What came before the big bang is one of the primary unanswered questions about the origin of _____.

Answers

Answer: The correct answer for the blank is- Origin of universe.

Big band theory is an explanation about the origin of universe ( that is how universe began or the birth of universe).

Big Bang theory states that all matter ( including past and present time) in the Universe have come into existence at the same time, that is approximately about 13.8 bya ( billion years ago).

At that particular time, all matter was in the form of very small ball ( that is a compact form) with infinite density and excess heat, which is known as a Singularity.

All of a sudden, the singularity started expanding, and the universe that we know today originated.

Answer:

Universe

Explanation:

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