A Model Rocket Flies Upward at Constant Acceleration,and Undergoes a Displacement

question 10

Multiple Choice

A model rocket flies upward at constant acceleration,and undergoes a displacement of 15.0 m during its first 0.25 s of travel.What was its speed at the end of the first 0.25 s?

• A) 30 m/s
• B) 60 m/s
• C) 11 m/s
• D) 120 m/s

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