A body of mass 50kg. rest on an inclined plane of inclination 15° where coefficient of friction is 0.6. A force of 1.1N pulls the body up along the plane. Find the acceleration,

the answer is neither ball has a charge.

because if they were both positively charged, they will repel each other.

if they were positively and negatively charged, they will seek.

d. air pressure decreases as altitude increases.

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.