Answer:
The price per kWh is
The energy density in watt-hours per lb is
Explanation:
From the question we are told that
The voltage of the battery is
The capacity of the battery is
The price is
The weight of the battery is
Generally the energy generated by the battery is mathematically represented as
Here P is power which is represented as
So
=>
=>
=>
converting to kW h
=>
=>
Generally the cost of this energy produced is Hence the cost of 1 kWh is mathematically represented as
=>
=>
Generally the energy density is mathematically represented as
=>
=>
<h2>Answer:</h2>
<u>The correct option is </u><u> B.the empirical evidence that is collected during the experiment. </u>
<h2>Explanation:</h2>
A scientific experiment is the one that is not biased and it must be based upon actual data facts with the details dependent upon analysis and research. Empirical Evidence is that evidence is the information received by means of the senses, particularly by observation and documentation acquired through experimentation. Therefore B is the required answer.
First get the acceleration. Since it's uniform we use
Note the acceleration is negative since we start at a positive speed and end at zero.
Now the distance is the acceleration integrated twice. The first integral gives the velocity at any time, t
Notice if you put 5.5s for t in the expression we get 0 m/s as we should. Now to get the distance it traveled over this time we integrate this velocity expression:
So it travels 60.5 meters
Momentum P is given by:
Given: m₁ = 62 kg, m₂ = 78.1 kg, v₁ = ?, v₂ = 0 m/s, v₁₊₂ = 1.29 m/s
before:
after:
Since momentum is conserved, the momentum before the collision must be equal to the momentum after the collision.
Solve for v₁.
Answer:
"Wave 3 resulted from constructive interference and Wave 4 resulted from destructive interference."
Explanation:
Constructive Interference:
When two waves meet in such a way that their crests line up together, then it's called constructive interference. The resulting wave has a higher amplitude.
Destructive Interference:
In destructive interference, the crest of one wave meets the trough of another, and the result is a lower total amplitude.
The amplitude of Wave 3 is higher than both the Waves, 1 & 2, so it must be a result of constructive interference.
The amplitude of Wave 4 is less than both the Waves, 1 & 2, so it must be a result of destructive interference.