Answer:
Top 10 Residential Uses for Solar Energy.
01. Solar Powered Ventilation Fans.
02. Solar Heating for Your Swimming Pool.
03. Solar Water Heater.
04. Solar House Heating.
05.Solar Powered Pumps.
06. Charging Batteries With Solar Power.
07. Power Your Home With Photo-Electric.
08. Solar Energy For Cooking.
09. Solar energy for outdoor lighting.
10. Solar transportation.
Answer:
Part a)

Part B)

Explanation:
As we know that when both the forces are acting on the object in same direction then we will have

as we know that

m = 10.6 kg
now we will have


Now two forces are in opposite direction then we have


Part A)
Now we will have from above two equation

Part B)
Similarly for other force we have

Answer:
.....different temperatures
Explanation:
heat is a form of energy that is transfered from a body of high temperature to a body of low temperature....Cannot happen if the two bodies have the same temperature(thermal equilibrium)
PH of 4 is Acidic and its property is to turn blue litmus red