# Posts by Suraj

Total # Posts: 27

**science**

Calculate the period of oscillation of a simple pendulum of length 1.8 m, with a bob of mass 2.2 kg. What assumption is made in this calculation? (g = 9.8 m s - 2) If the bob of this pendulum is pulled aside a horizontal distance of 20cm and released, what will be the values ...

**physics**

P1-P2=30000=height×density×acceleration due to gravity. i.e, 30000=h×1000×10 30000=h×10000 So,h=30000÷10000 h=3metre

**physics**

Calculate the resultant force when four forces of 30N due east 20N due north 50N due West and 40N due south are acted upon a body

**Science**

Calculate The Volume Occupied By 10(superscript)22 Molecule Of Gas At 300 kalvin And 760mm Pressure

**physics**

if magnitude of sum of two unit vectors is root2 then find the magnitude of subtraction of these unit vectors

**Math**

The side of retangular floor are xm and (x + 7)m.the diagonal is (x + 8)m,calculate the value of x

**math**

x-(x-1/2)=1-(3-x/3)

**salwan boys sr. sec. school**

show that the line x+y=5 touches the circle x²+y²-2x-4y+3=0.also, find point of the contact.

**physics**

The density of copper is 8930 kg per cubic metre. A rod of copper is 20 cm long. What length of it will remain immersed in mercury of density 13600 kg per cubic metre

**physics**

A stone is dropped from a height of 10 m on an unknown planet having g = 20 m/s2. Calculate the speed of the stone when it hits the surface of the planet. Also calculate the time it takes to fall through this height

**chymistry**

(Fes + H2o2→feo+ so2 ) it is a ph <7 the solustion of baleching

**math**

if the price of an item triples the increase is what percent of the new price

**PHYSICS**

An arrangement of 3 blocks A ,B,C such that block A of mass 5 kg is over block B of 6 kg, with a friction between them of 0.8. both the blocks are connected to the 3rd block C of mass m by a string and frictionless pulley. Now to find at what value of m will both pulley A and ...

**math**

Solve it

**GEOmetry(Special Coin Placement)**

The total number of ways of choosing rows is 4C3, columns 10C3 Total number of ways of choosing 3 tiles among 40(4X10) is 40C3 Answer = (4C3*10C3)/40C3

**trignometry**

how to find the value of any standard angle ??? for example sin 60*??? without using table

**maths project**

don't know

**maths project**

in a class there are 46 students out of them 20 are girls and 26 are boys,find ratio

**qbasic**

how to print 2,5,11,20,32 to 200 and print its sum

**Chemistry**

How many significant figure in 4.297*10^4

**math**

find ab if bc=2o and dc=25 on aright triangle

**History**

What body of water that is hounded by Japan, Chaina,and Taiwan ?

**science**

"Transpiration is a necessary evil." Explain.

**work and time**

If 15 men or 24 women or 36 boys can do a piece of work in 12 days, working 8 hours a day, how many men must be associated with 12 women and 6 boys to do another piece of work 9/4 times as great in 30 days working 6 hours a day?

**computer networks.**

Question 1 (PIM) Assume you have a source S, and assume that some receivers have joined the shortestpath tree of S, while other receivers have joined only the shared tree. Prove that, if the network is in a steady state (no routing table changes, no receivers leaving or ...

**Business Law**

In each of following situtations. is there any violation of fiduciary relationship by a partner. In each case, indicate whether it would make difference if the partnership was informed of and/or approved the transaction. 1. Partner A sells land to his partnership without ...