Answer:
Natural frequencies of oscillation and typical earthquake frequencies should be different.
Damping on the structure should be large.
Explanation:
The natural frequency of the structure must be different from the typical earthquake frequency, the more different the better. This is because if both frequencies were the same or similar there is a risk that the building will <u>resonate </u>and collapse.
As for the damping, it must have a high value. This so that the building resists earthquakes better and prevents it from moving dangerously, thus damping on the structure should be large.
Answer:
The maximum mass of water that could be produced by the chemical reaction is 10.1 g
Explanation:
The equation of reaction involves the combustion of 2 moles of hexane (C6H14) with 19 moles of oxygen (O2) to produce 12 moles of carbon dioxide (CO2) and 14 moles of water (H2O)
From the equation of reaction above,
2 moles of C6H14 (172 g) produced 14 moles of H2O (252 g)
6.9 g of C6H14 would produce (6.9×252/172) = 10.1 g of water (to 3 significant figures)
Also, from the equation of reaction,
19 moles of O2 (608 g) produced 14 moles of H2O (252 g)
17.3 g of O2 would produce (17.3×252/608) = 7.17 g of water (to 3 significant figures)
Maximum mass of water produced = 10.1 g
I think the correct answer is option D. The specific heat capacities of similar substances differ because of differences in forces between molecules. Specific heat is the amount of heat absorb or released by a substance to change the temperature to one degree Celsius. Every substance have different structures thus they also have different ways of storing energy and ways to break the bonds they have.
<span>Answer:
Venus is nearer to the Sun, and gets relatively more power from it. Earth is 93 million miles from the Sun, by and large, while Venus is just 67.25 million (by and large) from the Sun. Since the force of the Sun's radiation diminishes with remove from it as 1 over r-squared, Venus gets (93/67.25) squared, or 1.91 times the power for each unit range that Earth gets, all things considered.
Since the emanating temperature of a confined body in space fluctuates as the fourth-foundation of the power occurrence upon it, by the Stefan-Boltzmann law, the transmitting temperature of Venus ought to be the fourth-base of 1.91 = 1.18 times that of the Earth. Moreover, since the environmental weight differs as the temperature, the temperature at any given weight level in the Venusian air ought to be 1.18 times the temperature at that same weight level in the Earth climate, INDEPENDENT OF ANY INFRARED ABSORPTION in the air. Specifically, the found the middle value of temperature at 1000 millibars on Earth is around 15ÂşC = 288K, so the comparing temperature on Venus, WITHOUT ANY GREENHOUSE EFFECT, ought to be 1.18 times that, or 339K. Yet, this is only 66ÂşC, the temperature we really find there from the temperature and weight profiles for Venus.
So there is no nursery impact. You have recently demonstrated that atmosphere science is totally wrong to suspect something. This is the embarrassment that such huge numbers of "specialists" in atmosphere science, and all the logical experts, won't confront. Tune in to the physicists that let you know there is no nursery impact; they know without going to the Venus information - and I am one of them. The proceeding with ineptitude on this fundamental point among such a significant number of researchers, for over a century, is stunning, and deplorable..</span>
Answer:
16.67 s
Explanation:
Given that the
Grant sprints 50m to the right with an average velocity of 3 m/s.
According to definition of speed,
Speed = distance/time
Substitute speed and distance into the formula.
3 = 50 / t
Make time t the subject of formula
t = 50 / 3
t = 16.667 seconds
Therefore, the number of seconds the Grant sprint is 16.7 s approximately.
