Answer:
Variations in electronegativity result in the unequal sharing of electrons in polar molecules because when one atom is more electronegative than the other, it becomes more polar than the other atom. ... Methane bonds are covalent because they share carbon and hydrogen valence electrons.xplanation:
To solve the exercise it is necessary to apply the concepts given in Newton's second law and the equations of motion description.
Let's start by defining acceleration based on speed and time, that is
On the other hand according to Newton's second law we have to
F=ma
where
m= Mass
a = Acceleration
Replacing the value of acceleration in this equation we have
Substituting with our values we have
Re-arrange to find v
Therefore the speed of the glider is 2m/s
Answer:
(c). The two blocks end in a tie
Explanation:
the reason being the absence of any resistance offered to both of the blocks.
if the slope of the hill is for instance 60 deg.
then the acceleration in absence of any resistance is a= 9.81sin(60)
since the acceleration is same then both of the blocks will reach at the same instant
The distance is just the perimeter of the rectangle:
P = 2(411) + 2(475)
P = 822 + 950
P = 1772m
