Answer:
1 957,5
Explanation:
87libs=39.5kg that equals 50=1.957.5
Answer:
The primary type of energy change which occurs by turning on the phone will be the conversion of the stored chemical energy of the battery into electrical energy. The chemical energy is also converted into light energy, sound energy and heat energy. With the passage of time, the energy will be changed back into the chemical energy when we will charge the phone again.
Answer:
202,020 pennies
Explanation:
The amount of pennies in 1 dollar is 100.
Basically, you just multiply the whole dollar amount (2020) by 100 and then add 20 to find the amount of pennies.
(2020)(100)+20= 202,000+20= 202,020 pennies.
Explanation:
hydropower energy is:
-renewable
-clean (doesn't produce toxins or emit harmful gases into the atmosphere)
-environment friendly
-cheap once installed