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                                    A 1 kg particle strikes a wall with a velocity 1 m/s at an angle 30∘ and reflects at the same angle in 0.1 second, then the force applied by the wall on the particle will be | 
                            
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Answer»  A 1 kg particle strikes a wall with a velocity 1 m/s at an angle 30∘ and reflects at the same angle in 0.1 second, then the force applied by the wall on the particle will be  | 
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