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Physics - kinametics PYQ 2023

 Q. The position vector of a particle related to time t is given by r =(10ti+15t²j+7k)m The direction of net force experienced by the particle is :

                                                        (JEE mains 2023)

1. Positive y-axis 


2. Positive x-axis


3. Positive z-axis


4.In x-y plane

Ans:- 1

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