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Work energy and power related question where displacement and velocity is given

Work energy and power related question where displacement and velocity is given

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Grade:11

1 Answers

Vikas TU
14149 Points
7 years ago
At x = 0 , u = 1 m/s and Power =  2 Watt
   x = 10, v = ? and Power = 4 Watt
 
Now,
2 = (10/7)a*1
a = 1.4 m/s^2
 
And also,
4 = (10/7)*1.4*v
v = 2 m/s

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