Thursday
July 31, 2014

Posts by Sona


Total # Posts: 11

phisecs
A jet plane accelerates on a runway from rest at 4.03 m/s2. After 5 s, find its velocity in m/s?

phisecs
car initially moving at 19 m/s brakes with an acceleration of 2.97 m/s2. How long will it take for the car to stop in seconds?

Science
How percentage n2gas on air

chemistry
20.0 g of ammonium nitrate (NH4NO3) is dissolved in 125 g of water in a coffee-cup calorimeter, the temperature falls from 296.5 K to 286.4 K. Find the value of q for the calorimeter.

International Relations
I want to write a thesis statement on the topic "China is not going to be the next superpower" How am i supposed to write it?

Math
77.8

algebra
63-40=23

maths
Area of a circle = ðr² Inner diameter = 12 cm Inner radius = 6 cm Outer radius = 6+1 = 7 cm Cross sectional area of an annulus (ring) = ð(r2²-r1²) =(7²-6²)ð =13ð cm² Volume for a 1 metre tube: V=13ð&100cm cm³ =1300 cm³...

maths
the thickness of a metallic tube is 1 cm and the inner diameter of tube is 12 cm . Find the weight of 1 meter tube long, if the density of metal be 7.8 gram/cm^3

maths
kanyadoon express runs between dehradun and kanyakumari. for up & down train journey, kanyadoon express starts at 0900 hours everyday at both ends and reaches the destination at 0930 hours after three days. rahul travelled by kanyadoon express from kanyakumari to dehradun. how...

maths
the thickness of a metallic tube is 1 cm and the inner diameter of tube is 12 cm . Find the weight of 1 meter tube long, if the density of metal be 7.8 gram/cm^3

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