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Ber [7]
3 years ago
13

How do solar cells translate heat energy into mechanical energy

Computers and Technology
1 answer:
S_A_V [24]3 years ago
4 0

photovoltaic cells convert sunlight into electricity. the steam is converted into mechanical energy and produces electricity. solar thermal

more specifically when sunlight hits the photovoltaic cells, the cells absorb photons of light and release there own electrons.

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The 60-watt light bulb has a 400 hour life expectency how much will it cost to operate during its time
expeople1 [14]

Answer:

$2.40

Explanation:

the unit electricity bill is kilo watt hour.

The 60-watt light bulb has a 400 hour life expectency means it will consume

60×400/1000 = 24 KWh units of electricity. Let us suppose each unit of electricity costs is 10 cents.

Then 24×10 = 240 cents  = $2.40

5 0
3 years ago
What additive keeps engines clean by preventing contaminates and deposits from collecting on surfaces? a. Friction modifiers b.
White raven [17]

Answer is: Dispersants


Explanation:

Dispersants keep contaminants (e.g. soot) suspended in the oil to prevent them from coagulating. Anti-foam agents inhibit the production of air bubbles and foam in the oil which can cause a loss of lubrication, pitting, and corrosion where entrained air and combustion gases contact metal surfaces.

So that's why the answer is: Dispersants

7 0
4 years ago
Read 2 more answers
Create a Card class that represents a playing card. It should have an int instance variable named rank and a char variable named
Helen [10]

Answer:

Explanation:

The following code is written in Java. It creates the Card class and then uses it to create a full house and print out the rank and suit of every card in that hand.

class Card {

   int rank;

   char suit;

   public Card(int rank, char suit) {

       this.rank = rank;

       this.suit = suit;

   }

   public int getRank() {

       return rank;

   }

   public char getSuit() {

       return suit;

   }

}

class CardTester {

   public static void main(String[] args) {

       Card card1 = new Card(3, '♥');

       Card card2 = new Card(3, '♠');

       Card card3 = new Card(3, '♦');

       Card card4 = new Card(2, '♦');

       Card card5 = new Card(2, '♣');

       System.out.println("Card 1: " + card1.getRank() + " of " + card1.getSuit());

       System.out.println("Card 2: " + card2.getRank() + " of " + card2.getSuit());

       System.out.println("Card 3: " + card3.getRank() + " of " + card3.getSuit());

       System.out.println("Card 4: " + card4.getRank() + " of " + card4.getSuit());

       System.out.println("Card 5: " + card5.getRank() + " of " + card5.getSuit());

   }

}

3 0
3 years ago
The name for the instructions you write to a computer in a program
aliina [53]

Answer:

Code

Explanation:

The code is instructions that you can write yourself or download from online

4 0
2 years ago
Read 2 more answers
If I Uninstall Nba 2k 19 from my ps4 will my career be gone forever?​
Rudik [331]

Answer:

Not unless you have a ps plus membership

Explanation:

Ps plus have cloud storage so if you have ps plus membership,even if you delete 2k19 your data will be saved in the cloud storage therefore your my carrer will not be gone forever!

7 0
3 years ago
Read 2 more answers
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