Answer;
-kinetic energy transformed to mechanical energy
Explanation;
-When the blades are moved or spins (rotational motion) some part of the kinetic energy of the wind is transformed into rotational kinetic energy of the the blades, which makes an axis rotate generating the electricity.
-KInetic energy is mechanical energy (mechanical energy is basically kinetic energy and gravitational potential energy).
-Therefore, the kinetic energy of the wind is transformed into kinetic energy of the windmill (mechanical energy) and it is then transformed into electrical energy.
Wind power is produced from the wind turbines or sails that uses air flow to convert it into mechanical power. It is an alternative to fossil fuel burning, it is all around, renewable, clean, produces no greenhouse gases and uses little land. The advantages of wind power have been greatly praised by many. However, it has disadvantages. Wind power especially at farm is noisy and may spoil the view for their neighboring people. Also the amount of electricity depends on the strength of the wind. If no wind is around, no electricity is produced.
Answer:Bohr placed the electrons in distinct energy levels. Rutherford described the atom as consisting of a tiny positive mass surrounded by a cloud of negative electrons. Bohr thought that electrons orbited the nucleus in quantised orbits.
Explanation: also rutherfords was just a hypothesis while Bhor took the time to make his an experiment
Answer: Net Force is 15 N towards Martha
Its an unbalanced force
Explanation:
Answer:
300 Btu per hour
Explanation:
given data
area = 100-square foot
thick = 12 inch
R value at 12 = 1.89
R value at 4 = 14.8
inside temperature = 65 degrees F
outside temperature = 15 degrees F
to find out
How many Btu per hour
solution
we get here How many Btu per hour that is express as
Btu per hour = ............1
put here value we get
Btu per hour =
Btu per hour = 299.580
so Btu per hour is 300 Btu per hour
A wave breaks due to the interference of the ocean floor with its oscillatory motion. As the wave nears the shore and the water gets shallower, the bottom of the wave slows down while the top continues its original speed, causing the wave to break.
A wave will 'break' or crash due to its interaction with the ocean floor as it approaches the shore. Waves follow an oscillatory motion, moving in an up-down pattern. When a wave gets closer to shore, the water becomes shallower which interferes with the oscillatory motion of the wave. The bottom of the wave slows down upon hitting the ocean floor while the top of the wave continues its original speed. This causes the wave to become steep and eventually break, forming the crashing wave front we often see on beaches.
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