If the earth suddenly shirnks, what will happen to the length of the day?

If earth were to shrink suddenly, what would happen to the length of the day?

If the ice on the polar caps of the earth melts, how will it affect the duration of the day? Explain.

What is the length of the radius of the earth?

What is the mass of the earth?

If the ice on the polar cap of the earth melts how will it effect the duration of the day?

A steel tape 1m long is correctly calibrated for a temperature of 27.0 ^@C . The length of a steel rod measured by this tape is found to be 63.0 cm on a hot day when the temperature is 45.0 ^@C . What is the actual length of the steel rod on that day? What Is the length of the same steel rod on a day when the temperature is 27.0 ^@C ? Coefficient of linear expansion of steel = 1.20xx10^-5 K^-1 .

If the earth suddenly contracts to one third of its present radius, how much would the day be shortened ?

If a capillary tube of insufficient length is dipped into a liquid, What will happen to the liquid rising?

Suppose there existed a planet that went around the sun twice as fast as the earth.What would be its orbital size as compared to that of the earth?