A Rocket,speeding Along Toward Alpha Centauri,has an Acceleration A(t)= At²

question 74

Multiple Choice

A rocket,speeding along toward Alpha Centauri,has an acceleration a(t) = At².Assume that the rocket began at rest at the Earth (x = 0) at t = 0.Assuming it simply travels in a straight line from Earth to Alpha Centauri (and beyond) ,what is the ratio of the speed of the rocket when it has passed the star to the speed when it has travelled half the time necessary to reach Alpha Centauri?

• A)2
• B)4
• C)8
• D)16
• E)32

---

Definitions:

Problem-Solving Skills Training (PSST)

A cognitive-behavioral therapy approach that teaches individuals step-by-step methods to solve problems and reduce stress.

Functional Family Therapy (FFT)

A short-term, evidence-based intervention program focused on reducing behavioral problems in youth through improving family communication and support systems.

Youth Violence

Acts of violence involving young individuals, ranging from bullying and physical fights to more severe sexual and physical assault and homicide.

National Centers of Excellence

Institutes designated for special funding and status due to their high-quality research, education, or clinical care in specific areas.