Work, Power and EnergyHard
Question
Three masses $200\text{ }kg,300\text{ }kg$ and 400 kg are placed at the vertices of an equilateral triangle with sides 20 m . They are rearranged on the vertices of a bigger triangle of side 25 m and with the same centre. The work done in this process $\_\_\_\_$ J.
(Gravitational constant $G = 6.7 \times 10^{- 11}\text{ }N{\text{ }m}^{2}/{kg}^{2}$ )
Options
A.$9.86 \times 10^{- 6}$
B.$2.85 \times 10^{- 7}$
C.$1.74 \times 10^{- 7}$
D.$4.77 \times 10^{- 7}$
Solution
Detailed solution available for registered users.
Create a free account to view solution
View Solution FreeMore Work, Power and Energy Questions
A stone of mass m is tied to a string of length l at one end and by holding second end it is whirled into a horizontal c...A position dependent force, F = 7 - 2x + 3x2 N,acts on a small body of mass 2 kg and displaces it from x = 0 to x = 5m. ...A particle moves in a circular path of radius R. If Fc and Ft are the centripetal and tangential forces acting on the pa...The graph below shows V-P curve for three processes. Choose the correct statement(s)...Which of the following is a non conservative force:-...