The electromagnetic wave shown above is made up of vibrating Electric fields.
I assume this is why electromagnetic waves can travel through a vacuum, due to lack of matter.
The potential difference does work on the electron. The work is given by:
W = Vq
W = work, V = potential difference, q = electron charge
Given values:
V = 6V, q = 1.6x10^-19C
Plug in and solve for W:
W = 6(1.6x10^-19)
W = 0.96aJ
Answer:
Explanation:
Acceleration can be found by dividing the change in velocity by the time.
(<em>v </em>is the final velocity, <em>u</em> is the initial velocity, <em>t </em>is the time).
The velocity increased from 22 m/s to 236 m/s in 5 seconds. Therefore:
Substitute the values into the formula.
Subtract in the numerator.
Divide.
The acceleration of the object is <u>42.8 meters per square second.</u>
The total energy of the system is always conserve, therefore at all the point A, B & C the total energy of the skater is same.
Kinetic energy is directly proportional to the velocity, as the skater reaches the top of the pipe, the velocity of the skater would be zero, so there would be no kinetic energy, as he progress down the pipe the velocity of the skater increases, thus kinetic energy increase and highest at the bottom of the pipe, therefore the increasing order of the kinetic energy is C>B>A.
Potential energy is dependent on the height, as the height increases potential energy will also increase. therefore the increasing order of the potential energy is A>B>C.
Answer:
Gold
mica
halite
gypsum
copper
Explanation:
Gold:it is used in dentistry
mica: its is used in putting sparkle in rock
halite:its used in seasoning food and softening water
gypsum: it is used as fertilizer and road construction
copper: it is used for jewelry and currency