At an Instant When a Particle of Mass 50 G

question 6

Multiple Choice

At an instant when a particle of mass 50 g has an acceleration of 80 m/s2 in the positive x direction, a 75-g particle has an acceleration of 40 m/s2 in the positive y direction. What is the magnitude of the acceleration of the centre of mass of this two-particle system at this instant?

• A)60 m/s2
• B)56 m/s2
• C)40 m/s2
• D)50 m/s2
• E)46 m/s2

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