A Particle Has an Initial Velocity of 4

question 39

Multiple Choice

A particle has an initial velocity of 4.8 m/s toward the south and a final velocity of 7.1 m/s toward the east.The particle was subject to a constant acceleration for 0.25 s.The magnitude and the direction of the acceleration must have been

• A)8.6 m/s² at 34.1º north of east
• B)260 m/s² at 34.1º south of east
• C)34 m/s² at 34.1º north of east
• D)34 m/s² at 34.1º south of east
• E)8.6 m/s² at 34.1º south of east

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