Saturday
December 3, 2016

# Posts by bharat

Total # Posts: 9

physics
A train moving with speed 72 km h−1 emits a whistle of frequency 600 Hz. A person is standing stationary on the platform. Calculate the frequency heard by the person if the train (i) approaches and (ii) recedes away from the listener.
August 25, 2016

Dav public school
Alcohols are weaker acids then water,why ?
October 10, 2014

Physics
What is the direction of force of friction on a bicycle on front and back wheel while paddling?
September 11, 2013

science
is it possible to convert the clouds to rain with the help of powerful fans
August 21, 2011

Math
to find the total area under sq.feet
August 21, 2011

biology
because they prepare their food in presence of light
August 21, 2011

stattistics
The p-chart is based on the assumption that the number of defective units in each sample is a binomial random variable. Choose one answer. A. True B. False
June 22, 2011

chemical equilibrium
if the pressure of n2/h2 in aclosed apparatus is 100 atm and 20 percent of the mixture then react ,the pressure at the same temperature would be
August 15, 2010

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