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:
It is important to be able to separate mixtures to obtain a desired component from the mixture and to be able to better understand how each component.
Explanation:
By heat or change in matter,
there can be different reactions that create heat (like exothermic or endothermic reactions)
or movement can give off energy too,
energy is basically just heat
Answer:
Answered
Explanation:
A) The work done by gravity is zero because displacement and the gravitational force are perpendicular to each other.
W= FS cosθ
θ= 90 ⇒cos90 = 0 ⇒W= 0
B) work done by tension
W= Tcosθ×S= 5cos30×2.30= 10J
C) Work done by friction force
W= f×s=1×2.30= 2.30 J
D) Work done by normal force is Zero because the displacement and the normal force are perpendicular to each other.
E) The net work done= Work done by tension in the rope - frictional work
=10-2.30= 7.7 J