Question

A plastic ball floats on the water. What do you know about its density?

a. The plastic ball has a density greater than water.
b. The plastic ball has a density less than water.
c. The water has a density less than the plastic ball.
d. The plastic ball and the water have the same density.
e. Nothing can be determined about the density of the ball

Answer 1

The plastic ball has a density less than the water!