Answer:
F = 0
Explanation:
The magnetic force is described by two expressions
for a moving charge
F = q v x B
for a wire with a current
F = I L xB
bold indicates vectors
let's write this equation in module form
F = I L B sin θ
where the angle is between the direction of the current and the direction of the magnetic field
In this case they indicate that the cable goes from the South wall to the North wall, so this is the direction of the current
The magnetic field of the Earth goes from the south to the north and in this part it is horizontal
Therefore the current and the magnetic field are parallel, the angle between them is zero
sin 0 = 0
consequently the magnetic force is zero
F = 0
Answer:
C. Supervising the game to make sure teams are playing fairly
Answer:
They gon' hate me regardless, that's why I do what I do (what I do)
See me in person i'm flawless (I'm flawless girl), i might just snatch up your dude (hahahaha)
Explanation:
i just want to be....appreciated
Answer:
D) Significantly more energy is required to vaporize water because the intermolecular forces between molecules are being completely broken.
Explanation:
Different states of matter differ because of intermolecular distance between them . Molecules are closest in solid state and farthest in gaseous state . To separate them energy is needed . When matter changes state from liquid to gas , the distance between the molecule increases enormously . Hence energy requirement too is large . When matter changes state from solid to liquid , their mutual separation does not increase much so energy requirement too is lesser. Moreover there is tremendous increase in their volume in gaseous state due to which gas has to do work against external pressure which requires much energy.
Answer:
mechanical
Explanation:
Thermal stress is a type of mechanical weathering. This occurs due to breakdown of rocks which takes place via expansion and/or contraction induced by heating and/or cooling.
