Answer:
two children pulling apart a wishbone
Explanation:
Answer: P2O5
Explanation:
The empirical formula for phosphorous pentoxide is P2O5.
The empirical formula for phosphorous pentoxide is P2O5.
To find the empirical formula, we need to determine the ratio of atoms in the compound.
Since the molecular formula of phosphorous pentoxide is P4O10, we divide the subscripts by their greatest common divisor (gcd) to get P2O5 as the empirical formula.
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The correct answer to the question is : Mechanical energy.
EXPLANATION:
Let us consider a pendulum which is raised to certain height. The energy possessed by the pendulum at this height is gravitational potential energy.
Let the pendulum is released. Now the potential energy of the pendulum is converted into kinetic energy. At the mean point, whole of its potential energy is converted into kinetic energy.
Due to inertia, the pendulum will overshoot its mean position and will move towards its extreme position. During its movement from mean point to extreme point, the kinetic energy is converted into potential energy. At extreme point, whole of its kinetic energy is converted into potential energy.
Hence, there is only energy conversion between kinetic energy and potential.
We know that sum total of kinetic energy and potential energy is called mechanical energy.
Hence, the correct answer is mechanical energy.
B. It increases the potential energy of electrical charges to produce a current.
C. It increases the kinetic energy of electrical charges to produce a static discharge.
D. It transfers electrons through induction so they generate electrical energy.
Answer:
B. It increases the potential energy of electrical charges to produce a current.
Explanation:
Battery is a source of constant potential difference
When a charge is passed through the battery then its potential energy changes by
here we know that
= potential difference of battery
so as the charge is passing through the terminals of battery its potential energy is changed by above value.
Now by the conservation of energy principle we know that this change in potential energy will convert into kinetic energy of charge and then the flow of charge will produce current in the circuit.
So battery is used to maintain a constant current in the circuit by giving potential energy to the charge.
b. remains the same
c. increases
Answer:
Cooler
Explanation:
when you drive from city to farm the temperature of the farm is cooler than the temperature in the city.
this is because in city the population is very high as compare to the farms so, the activity of the city is also high which lead to increase the energy consumption of the area.
air pollutants, green house gases are also present more in the city which leads to increase the temperature of the city.
this effect is called urban heat island effect.