A fish is rising vertically to surface of a lake at rate of 2 m/s observes a bird diving vertically towards water at 4 m/s. The refractive index of water is 4/3. what is actual velocity of bird
September 24, 2013
maths --plse help me..
A villager Itwaari has a plot of land of the shape of a quadrilateral. The Gram Panchayat of the village decided to take over some portion of his plot from one of the corners to construct a Health Centre. Itwaari agrees to the above proposal with the condition that he should ...
December 4, 2012
Aerobic exercise gives equal working out to all the parts of the body, in tune with a beat. Therefore, plain exercise may not work out different body areas with the same vigor and in the same time intervals that aerobic exercises do. Hence, they are more beneficial for ...
September 21, 2012
grade 9 math
can you please help me with this question, i'm completely lost. talia's uncle owns a warehouse and he has given Talia an area in which to store the computer supplies for his company. her uncle gave Talia 40 m of rope and told her to section off a rectangular area in a ...
June 7, 2009