Avogadro’s law and charles’s law describe a proportionality of the volume of a gas when the pressure is constant. which describes the proportionality that allows these laws to be combined when describing a gas?
a. volume is directly proportional to temperature (avogadro’s law) and to moles (charles’s law).
b. volume is inversely proportional to temperature (avogadro’s law) and to moles (charles’s law).
c. volume is directly proportional to moles (avogadro’s law) and to temperature (charles’s law).
d. volume is inversely proportional to moles (avogadro’s law) and to temperature (charles’s law).

c.Volume is directly proportional to moles (Avogadro’s law) and to temperature (Charles’s law).

first let us lay out the formula for potential

and kinetic energy:

pe = mgh

ke = (mv^2)/2

where: m=mass, v=velocity, g=gravitational

acceleration, h=height

calculating for mass using the known values of

pe:

340j = m (9.81 m/s^2) (50ft) (1m/3.28ft)

m = 2.27 kg

the law of conservation of energy states that

energy is neither created nor destroyed. therefore, the change in kinetic

energy from 50 ft to 35 ft would be equal to the change in potential energy

from 50 ft to 35 ft. however it would be opposite in signs since one is losing

while other is gaining.

ke(35ft) – ke(50ft) = - [ pe(35ft) – pe(50ft]

ke(50ft) = 0 since the brick is initially at rest

ke(35ft) = 340j - 2.27kg (9.81 m/s^2) (35ft)

(1m/3.28 ft)

ke(35ft)

= 102.38 j

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.