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3 years ago

Psy 325 has anyone had this course

Physics

1 answer:

Pavlova-9 [17]3 years ago

6 0

I do not have that one but i think you can download that in the internet.

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You discover an asteroid that orbits the Sun with the same 1-year orbital period as Earth. Which of the following statements mus

Marina CMI [18]

Answer:The asteroid's average (semimajor axis) distance from the Sun is 1AU.

Explanation: Asteroids are known as small objects which have rocky appearance that orbit the Sun as the planets do, although Asteroids are smaller than the size of planets. An Asteroid that orbit the Sun with the same orbital period like the Earth will have the same semi-major distance like the Earth will have which is One Astronomical Unit(the unit of measurement of the distance between the Sun and the Orbiting Asteroids or Planets), 1 ASTRONOMICAL UNIT =

149597871 KILOMETRES.

6 0

4 years ago

Determine the minimum amount of energy needed to move a satellite from its orbit around the Earth to an infinite distance from t

zmey [24]

Answer: $19.80\times 10^{10} J$

Explanation:

Given

mass of satellite $m=7.45 \times 10^3 kg$

orbital radius $R=7.50\times 10^6 m$

mass of Earth $M=5.97\times 10^{24} kg$

Minimum amount of Energy to move Satellite from its orbit to an infinite distance is sum of Potential Energy + Kinetic Energy of Satellite

$W=U+K.E.$

$U=-G\frac{Mm}{R}$

$U=-6.67\times 10^{-11}\times \frac{5.97\times 10^{24}\times 7.45 \times 10^3}{7.50\times 10^6}$

$U=-\frac{296.658\times 10^{16}}{7.5\times 10^6}$

$U=-39.55\times 10^{10} J$

$K.E.=\frac{1}{2}\times mv^2$

Where $v=orbital\ velocity$

$v=\sqrt{\frac{GM}{r}}=\sqrt{\frac{6.67\times 10^{-11}\times 5.97\times 10^{24}}{7.50\times 10^6}}$

$v^2=5.30\times 10^7 m/s$

$K.E.=\frac{1}{2}\times mv^2$

$K.E.=\frac{1}{2}\times 7.45\times 10^3\times (5.30\times 10^7)=19.74\times 10^{10} J$

$W=-39.55\times 10^{10}+19.74\times 10^{10}$

$W=-19.80\times 10^{10} J$

i.e. $19.80\times 10^{10} J$ Energy is required to provide to move Satellite out of its orbit

8 0

3 years ago

Where have mars meteorites been founded

Hoochie [10]

A martian meteorite is a rock that was flung from mars to earth by the force of an asteroid hitting mars (there for sending our little rock friend flying). Over 61 thousand of these meteorites have been found on earth 132 were identified as martian.<span />

4 0

4 years ago

Complete the statement below with the correct term.

dimaraw [331]

Two or three i believe to be the answer

7 0

3 years ago

Read 2 more answers

All the mass we ever encounter is positive - nothing weighs less than zero. What makes us think charge is different that there a

egoroff_w [7]

Based on the number of positive and negative charges

<u>Explanation</u>:

In a positive charge particle, the number of proton is higher than the number of electron. Due to this fact alone, we can come to the conclusion that positive charge consists of more number of protons than electrons.
In a negative charge particle, the number of electron is higher than the number of proton. Due to this fact alone, we can come to the conclusion that negative charge consists of more number of electrons than protons.

4 0

3 years ago