A Boy Throws a Rock with an Initial Velocity of 3.13

question 11

Multiple Choice

A boy throws a rock with an initial velocity of 3.13 m/s at 30.0° above the horizontal.How long does it take for the rock to reach the maximum height of its trajectory?

• A)0.160 s
• B)0.282 s
• C)0.313 s
• D)0.441 s

---

Definitions:

Chromosome Number

The total count of chromosomes in a cell, which is characteristic of each species.

Meiosis

Meiosis is a type of cell division resulting in four daughter cells each with half the number of chromosomes of the parent cell, essential for sexual reproduction.

Diploid

An organism or cell having two sets of chromosomes, typically one set from each parent.

Crossing-Over

A process occurring during meiosis where two chromosomes pair up and exchange segments of their genetic material to form recombinant chromosomes, which increases genetic diversity.