A small solid sphere of mass M0, of radius R0, and of uniform density p0 is plac

Question

A small solid sphere of mass M0, of radius R0, and of uniform density p0 is placed in a large bowl containing water. It floats and the level of the water in the dish is L. Given the information below, determine the possible effects on the water level L, (R-Rises, F-Falls, U-Unchanged), when that sphere is replaced by a new solid sphere of uniform density.

1.The new sphere has radius R = R0 and mass M > M0
2.The new sphere has density ? < ?0 and mass M = M0
3.The new sphere has density ? = ?0 and mass M > M0
4.The new sphere has mass M = M0 and radius R < R0
5.The new sphere has radius R < R0 and density ? = ?0
6.The new sphere has density ? > ?0 and radius R < R0

Explanation / Answer

1.The new sphere has radius R = R0 and mass M > M0 - RISES
2.The new sphere has density ? < ?0 and mass M = M0   - UNCHANGED
3.The new sphere has density ? = ?0 and mass M > M0   - RISES
4.The new sphere has mass M = M0 and radius R < R0   - if density greater than water then speher sinks and water volume is less therefore FALLS otherwise UNCHANGED
5.The new sphere has radius R < R0 and density ? = ?0 - FALLS
6.The new sphere has density ? > ?0 and radius R < R0   - depends on mass; ball still floats & displaces its MASS GREATER = RISES; LESS = FALLS; SAME = UNCHANGED

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