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Grade: 11 

                        
X-t curve of a particles moving along a straight line.Tangent A & B make angle 45°& 135° with + x-axis respectively.F Ind the average acceleration of particles during t=1 to t=2sec
2 years ago

Answers : (1)

Khimraj
3007 Points 
							
I am assuming point A at lesser time than B

velocity at point A = tan45 = 1m/s


velocity at point B = tan135 = – 1m/s


so acceleration = -1-1/(2-1) = -2 m/s2


Hope it clears
2 years ago
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