poppy5973 poppy5973
  • 08-05-2024
  • Physics
contestada

Consider a drop of rain water having mass 1g falling from a height of 1km. It hits the ground with a speed of 50m/s. Take 'g' constant with a value 10m/s2. The work done by the (i) gravitational force the (ii) resistive force of airs is:
A. (i)10J, (ii)−8.75J
B. (i)10J, (ii)8.75J
C. (i)100J, (ii)−8.75J
D. (i)1.25J, (ii)−8.75J

Respuesta :

Otras preguntas

why did the 1939 cash-and-carry amendment to the Neutrality Acts favor Britain over Germany
During photosynthesis, plants capture light energy from the Sun to break weak bonds in reactants, such as carbon dioxide and water, and form carbon-containing m
You paint 0.5 wall in 0.25 hour. At that rate, how long will it take you to paint one wall?
Before the 1500s, who and what were the final authorities with regard to most knowledge?
What happens immediately before a volcano erupts?
Which number variable expression represents the number of inches in y yards?
What effect does the lack of competition in command economics have?
how is the meaning in Kabir’s poetry is both explicit and implicit
Which is evidence supporting the theory of continental drift?
in the punnett square shown in figure 11-1, which of the following is true about the offspring resulting from the cross