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a particle is moving in x-y plane at 2m/s along x axis.2seconds later ,its velocity is 4m/sec in a direction making 60 degree with positive x axis.its average accelerationfor this period of motion is and along which direction

a particle is moving in x-y plane at 2m/s along x axis.2seconds later ,its velocity is 4m/sec in a direction making 60 degree with positive x axis.its average accelerationfor this period of motion is and along which direction

Grade:11

2 Answers

Vikas TU
14149 Points
6 years ago
Dear Student,
Beginning speed = 2 m/sec 
Last speed = 4 cos 60 = 2 m/sec 
Increasing speed = last – beginning/time = 0 
Increasing speed will be zero. 
 
Cheers!!
Regards,
Vikas (B. Tech. 4th year
Thapar University)
DIWAKAR PANDEY
168 Points
6 years ago
speed = 2 m/sec Last speed = 4 cos 60 = 2 m/sec Increasing speed = last – beginning/time = 0 Increasing speed will

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