Answer:
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Explanation:
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Answer:
a) heat flows from the warm plate to the cold one
Explanation:
Heat is an expression of energy, the bodies with more heat mean that they have more energy. In this way, they can share or pass this "excess" of energy to the cold body. Both plates are not in total contact but some part are close enough (they are touching) that the heat can pass from one to the other. Also the heat always need a media to travel, in this case, the air that surrounds the plates is also the media that the heat travels from the hot to the cold one.
Answer: Once upon a time there was a world without gravity. Billy Bob was sitting at home and his dad went to get some milk. But when he stepped out he floated away. Billy Bob never saw his dad again. The end.
Explanation:
Question:
The question is incomplete. The mass and radius of the orbit was not added. Find below the remaining part of the question and the answer.
Rank from largest to smallest.
A) m=200 kg and L= 5000m
B) m=400 kg and L=2500m
C)m=100kg and L=2500m
D)m=100kg and L=10000m
E)m=800kg and L=5000m
F)m=300kg and L=7500m
Answer:
Fe > Ff > Fa = Fb = Fd > Fc
4*10^6 N > 2.25*10^6 > 1 *10^6 N = 1 *10^6 N = 1 *10^6 N > 0.25*10^6 N
Explanation:
The force experienced by the satellite is given by the formula;
Fc = kmL
where;
k = constant = 4π²/T²
m = mass of satellite
L = radius of orbit
Since, all the satellites complete the circular orbit in the same amount of time. The constant k does not affect the force value.
A) The force acting on satellite A from their rocket is given as follows:
Fa = kmL
Fa = 200 * 5000
= 1 *10^6 N
B) The force acting on satellite B from their rocket is given as follows:
Fb = kmL
=400 *2500
= 1*10^6 N
C) The force acting on satellite C from their rocket is given as follows:
Fc = kmL
= 100 *2500
= 0.25*10^6 N
D) The force acting on satellite D from their rocket is given as follows:
Fd = kmL
= 100 *10000
= 1*10^6 N
E) The force acting on satellite E from their rocket is given as follows:
Fe = kmL
= 800 *5000
= 4*10^6 N
F) The force acting on satellite F from their rocket is given as follows:
Ff = kmL
= 300 *7500
= 2.25*10^6 N
The ranking is given as:
Fe > Ff > Fa = Fb = Fd > Fc
4*10^6 N > 2.25*10^6 > 1 *10^6 N = 1 *10^6 N = 1 *10^6 N > 0.25*10^6 N
Thus, dark matter constitutes 85% of total mass, while dark energy plus dark matter constitute 95% of total mass–energy content. Because dark matter has not yet been observed directly, if it exists, it must barely interact with ordinary baryonic matter and radiation, except through gravity.