A particle moving in a straight line covers half the distance with speed 6 m/s. The other half is covered in two equal time intervals with speeds 9 m/s and 15 m/s respectively. The average speed of the particle during the motion is : 

(1) 8.8 m/s

(2) 10 m/s

(3) 9.2 m/s

(4) 8 m/s


                                                         JEE-2024        

Solution:                
A particle moving in a straight line covers half the distance with speed 6 m/s. The other half is covered in two equal time intervals with speeds 9 m/s and 15 m/s respectively. The average speed of the particle during the motion is : (1) 8.8 m/s (2) 10 m/s (3) 9.2 m/s (4) 8 m/s JEE-2024

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