The sum of the three forces acting on the center point of the rope is assumed to be zero because:

a. This point has a very small mass.
b. Tension forces in a rope always cancel.
c. This point is not accelerating.
d. The angle of deflection is very small.

(75°f − 32) × 5/9 = 23.889°c

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.