Consider a drop of rain water having mass 1g falling from a height of 1 km. It hits the ground with a speed of 50 m/s. Take .g. constant with a value 10 m//s^(2). The work by the (i) gravita-tional force and the (ii) resistive force of air is :

Consider a drop of rain water having mass 1g falling from a height of

1.	Consider a drop of rain water having mass 1g falling from a height of 1 km. It hits the ground with a speed of 50 m/s. Take .g. constant with a value 10 m//s^(2). The work by the (i) gravita-tional force and the (ii) resistive force of air is :
Answer» (i) 10J, (II) -8.75 J (i) -10 J, (ii) -8.25 J (i) 1.25 J, (ii) -8.25 J (i) 100 J, (ii) 8.75 J Answer :A