Answer:
20 J
Explanation:
Kinetic energy is given as half of the product of mass and the square of velocity of an object:
KE = 
where m = mass = 40 kg
v = velocity = 1 m/s
Hence, Mary's kinetic energy is:
KE = 
KE = 20 * 1 = 20 J
She has a kinetic energy of 20 J.
Answer:
from the positive end of the battery through the capacitor through the resistors to the negative end...
Current flows from higher potential (+) to lower potential (-)..
Answer:
There are no examples but this should be evaporation
Explanation:
The intensity of a sound wave is defined as the amount of energy passing through a unit area of the wave front in unit of time.
Answer:
jame watt
Explanation:
James Watt tiña máis importancia que outro home
