Physics, 07.11.2019 13:31 liqliq223

Earth is the third planet from the sun. this placement most affects earth's unique conditions. 1.a)gravity
b. temperature
c. moon
d. defferentation 2.a)atmospheric
b. core
c. mantle
d. lithospheric

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Answer from: aeshaalhemri

For 1: The correct option is b.

For 2: The correct option is a.

Explanation:

Earth is the third planet in our solar system. It's placement in the solar system is such that, it is the only planet on which life survival is possible.

Earth lies in the Goldilock zone that defined as the zone in which there is an accurate temperature and atmospheric conditions which supports the life.

So, this placement most affects earth's unique temperature and atmospheric conditions. Hence, the correct answer is Option b for 1 and Option a for 2.

Answer from: Quest

talk back to him about the sport and show him your expertise or leave the room

Answer from: Quest

force is based upon mass and acceleration.the statement is not always true.

it can be explained from newton's second law of motion.

as per newton's second law of motion the rate of change of momentum is directly proportional to the applied force and takes place along the direction of force.

mathematically it can be written as -

$f\alpha \frac{dp}{dt}$

⇒ $f= k \frac{dp}{dt}$

here k is the proportionality constant whose value is 1.

$f=\frac{dp}{dt}$

$f= \frac{d[mv]}{dt}$

$f= m\frac{dv}{dt} +v\frac{dm}{dt}$

$f=ma+v\frac{dm}{dt}$ [a is the acceleration=dv/dt]

hence we see that force not only depends on mass and acceleration but also on velocity and rate of change of mass. force f will depend on mass and acceleration only when mass is constant.

hence the statement that force is based upon mass and acceleration is false.

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Earth is the third planet from the sun. this placement most affects earth's unique conditions. 1.a...

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