Answer: By Contributor. Measuring the volume of an irregularly shaped object using geometry is often difficult and complicated. The easiest way to do this is by using the water displacement method. Often taught in chemistry or other science classes, this method is known for its simplicity and accuracy.
Explanation:
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In genetic traits, p and q represent the relative probabilities of the two alleles manifesting. If these two are the only options (ex. a dominant one and a recessive one), then the probabilities of both must sum up to 1. In this case, since we are given that q = 0.4, then p + q = 1, p + 0.4 = 1, and p = 0.6.
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The question can be solved using conservation of linear momentum.
= 0.06kg and 
= 0.03kg
Let the initial velocity of Marble A be , 
= 0.7m/s
Let the initial velocity of Marble B be, 
= 0m/s
Let the velocity of Marble A after collisiong , 
= -0,02m/s
Let the velocity of Marble B after collision be 
From the conservation of linear momentum equation. We get,
Substituting the values we get,
(0.06)(0.7) + 0 = (0.06)(-0.02) + (0.03)
we get, = 1.44m/s
