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When the diameter of a sphere is decreased by 25 percent the what percent does its curved area decreases?

When the diameter of a sphere is decreased by 25%, its curved surface area decreases by approximately 43.75%. This is because surface area is proportional to the square of the radius, so a 25% decrease in diameter leads to a 43.75% decrease in surface area.


When the diameter of a sphere is decreased by 25 percent by what per cent does its curved surface area decrease?

Surface area, S.A., of a sphere with radius r equals to 4pir2.Since the diameter is decreased by 25%, the radius is also decreased by 25%.That is r - 0.25r = 0.75r.So that S.A. = 4pi(0.75r)2 = 2.25pir2


Which planet shrank in diameter?

The planet that shrank in diameter is Mercury. Its diameter decreased as its core cooled and contracted, causing its surface to wrinkle and form scarps.


What will happen to the loudness of a sound if the surface area of the vibrating body is decreased?

If the surface area of the vibrating body is decreased, the loudness of the sound will also decrease. This is because less energy is being transferred to the surrounding air, resulting in a quieter sound.


What planet shrunk iN diameter?

There isn't any evidence to suggest that any planet has shrunk in diameter. Planets can experience changes in their composition, atmosphere, or surface features, but their actual size isn't known to decrease significantly.


If the length of the sides of a cube is decreased is the surface area decreased?

Yes, if it remains a cube.


What is deep when decreased shallow when increased?

the surface


What is the surface area of a sphere with a diameter of 7 cm?

The surface area of a sphere with a diameter of 7cm is 153.9cm2


What happens if the surface area of the respiratory membrane decrease in gas exchange?

A decrease in the surface area of the respiratory membrane will result in a decrease in gas exchange.


What is the surface area for softball with a diameter of 12?

The surface area of a softball with a diameter of 12 is about 452.4 square units.


What is the surface area that has a diameter of 25 in?

The surface area of a sphere with a diameter of 25 inches is about 1,963.5 square inches.


Does the surface energy increase or decrease with increase in planar density?

The surface energy decreases with an increase in planar density. This is because a higher planar density means more atoms are closely packed together, leading to a decrease in the number of surface atoms and therefore a decrease in surface energy.