Answer:
T = 300 N
Explanation:
As we know that the painter is standing at the middle of the scaffold
So here the two ropes will exert same tension on the scaffold
So we will have
also we know
so we will have
so tension is half of the weight in both the strings
So it is
T = 300 N
Answer:
a. same
b. less
c. same
d. same?
Explanation:
the mass will always be the same no matter where it is. the weight however depends on the gravity.
Warmer air has molecules more spread out, so I'd say a decrease in air pressure.
The definition of density is
Density = (mass) / (volume)
Multiply each side by 'volume' : (density) x (volume) = (mass)
Divide each side by 'density' : Volume = (mass) / (density)
28J because mechanical energy is the sum of the potential energy and kinetic energy
