PHYSICS MIDDLE SCHOOL

Which of the following is a good rule of thumb for long drives

Answers

Answer 1

Answer:

Answer:c is the answer every 2 hours A is just plain no B four hours is too long and D is a no you need to rest

Explanation:

Answer 2

Answer:

Answer:

Explanation:

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When light moves from one medium to another it can be ______________

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When light moves from one medium to another it can be Refraction

Explanation:

Refraction is the term used to define light movement travelling from one medium to another. Light waves are propagated, will cross the boundary and their direction is also changed during the process of refraction.

Velocity is also induced in the light which keeps changing during its propagation through mediums. There are other phenomenons of light like reflection, interference, diffraction which are slightly different from each other and hence proper understanding is required to differentiate between them.

when light moves from one medium to another it can be refracted

The period of a 261 Hertz sound wave is

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That would be the result of 1/261

What is a Nuclei of uranium atoms split apart

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This is probably referring to the process of nuclear fission.

if you have a mass of 55 kg and you are standing 3 meters away from your car, which has a mass of 1234 kg, how strong is the force of gravity between you and the car?

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From Newton's gravitational law, the force of gravity between you and the car is 5.03 x $10^(-7)$ Newton strong.

NEWTON'S GRAVITATION LAW

According to Newton, the force of attraction between two masses of directly proportional to the product of the masses and inversely proportional to the square of the distance between them. That is,

F = $(GMm)/(r^(2) )$

From the question, the given parameters are

M = 1234 kg

m = 55 kg

r = 3 m

G = 6.67 x $10^(-11)$ N $m^(2)kg^(-2)$

Substitute all the parameters into the formula

F = (6.67 x $10^(-11)$ x 1234 x 55) / $3^(2)$

F = 4.527 x $10^(-6)$ / 9

F = 5.03 x $10^(-7)$ N

Therefore, the force of gravity between you and the car is 5.03 x $10^(-7)$

Newton strong.

Learn more about Gravitational force here: brainly.com/question/2537310

Gravitational force between two masses is given by formula

$F = (Gm_1m_2)/(r^2)$

here we know that

$m_1 = 55 kg$

$m_2 = 1234 kg$

$r = 3 m$

$G = 6.67 * 10^(-11) Nm^2/kg^2$

now from the above equation we will have

$F = ((6.67 * 10^(-11))(55)(1234))/(3^2)$

$F = 5.03 * 10^(-7)N$

so above is the gravitational force between car and the person

What would be the effect of loss of biodiversity in an ecosytem

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the organisms may die and it could really harm the environment that we live in. as much as we would not like to admit it we need them as much as they need us

What is the lowest possible temperature

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physically impossible-to-reach temperature of zero kelvin, or minus 459.67 degrees Fahrenheit (minus 273.15 degrees Celsius), atoms would stop moving.

The lowest possible temperature is absolute zero. However scientists have not reached this temperature, rather they have come very close to absolute zero.

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