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3 years ago

When you add heat energy the molecules move __ and _

Physics

2 answers:

NISA [10]3 years ago

7 0

They move faster and move farther apart

Natasha2012 [34]3 years ago

3 0

The answer is (Around and collide)

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A car of mass m travels around a particular highway curve at speed v. If a truck of mass 3 m travels around this same corner but

Cerrena [4.2K]

Answer:

$\dfrac{3}{4}$

Explanation:

m = Mass of car

3m = Mass of truck

v = Velocity of car

$\dfrac{1}{2}v$ = Velocity of truck

r = Turn radius

Centripetal force is given by

For car

$F_1=\dfrac{mv^2}{r}$

For truck

$F_2=\dfrac{3m(\dfrac{1}{2}v)^2}{r}\\\Rightarrow F_2=\dfrac{3m\dfrac{1}{4}v^2}{r}$

Dividing the forces we get

$\dfrac{F_1}{F_2}=\dfrac{\dfrac{mv^2}{r}}{\dfrac{3m\dfrac{1}{4}v^2}{r}}\\\Rightarrow \dfrac{F_1}{F_2}=\dfrac{4}{3}\\\Rightarrow F_2=\dfrac{3}{4}F_1$

So, the multiple of the original force is $\dfrac{3}{4}$

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3 years ago

For a conclusion to be accepted by the scientific community, the data must be accurate, free from error, and

Setler79 [48]

The data must be reproducible: it means that the data will be reliable and representative and not that this data would lead to one conclusion and another data would lead to another.

Data being varied, unique or surprising does not have anything to do with acceptability of the conclusion.

8 0

3 years ago

Read 2 more answers

How does depth of liquid affect pressure in solids

enyata [817]

The higher the depth, the higher the mass of the liquid that creates pressure

6 0

3 years ago

A force of 1 N is the only horizontal force exerted on a block, and the horizontal acceleration of the block is

SVEN [57.7K]

The mass of the first block will be three times the mass of the second block.

According to Newton's second law of motion, the force acting on a body is directly proportional to the acceleration as shown;

$F\ \alpha \ a$

$F = ma$

F is the acting force

m is the mass

a is the acceleration of the body

Given the following parameters

Constant force F = 1N

For the first block with the acceleration of "a"

1 = m₁a

a = m₁/1

m₁ = a .................1

For the second block, acceleration is thrice that of the first. This means;

F = m(3a)

1 = 3ma

$m_2=\frac{1}{3a}$ ..........................2

Divide both equations

$\frac{m_1}{m_2} =\frac{a}{(\frac{1}{3a} )}\\\frac{m_1}{m_2} = 3\\m_1 = 3m_2$

From the calculation, we can conclude that the mass of the first block will be three times the mass of the second block.

Learn more here: brainly.com/question/19030143

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3 years ago

How to find velocity right before impact?

lisabon 2012 [21]

1. The problem statement, all variables and given/known data A person jumps from the roof of a house 3.4 meters high. When he strikes the ground below, he bends his knees so that his torso decelerates over an approximate distance of 0.70 meters. If the mass of his torso (excluding legs) is 41 kg. A. Find his velocity just before his feet strike the ground. B. Find the average force exerted on his torso by his legs during deceleration. 2. Relevant equations I can't even seem to figure that part out. Help please? 3. The attempt at a solution I don't know how to start this at all

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4 years ago

When you add heat energy the molecules move ______ and _____

When you add heat energy the molecules move __ and _