Tuesday

May 24, 2016
Total # Posts: 13

**jay kay public **

Consider a planet in space whose mass is twice that of earth and radius is thrice that of earth what will be the weight of a body on this planet if its weight on the earth is 900N ??
*December 8, 2015*

**isu**

The liquid bromoethane has a density of 1.46 g/mL at 20 °C. If a sample of this liquid at 20 °C has a volume of 59.9 mL, how many grams of liquid are there in the sample
*September 1, 2014*

**physics**

How far would a car of 126 horse power have gone when it attains a speed of 70 km/hour going up the hill with 15 degrees incline. Total weight of the car is 1338 kg
*January 22, 2014*

**chemistry**

calculate the de broglie wavelength of He atom at 27 degree celsius & v=2.4*1000
*July 7, 2013*

**math**

Lines L1 and L2 intersect at O. A and C are points on L1 such that OA=11,OC=9. B and D are points on L2 such that OB=3,OD=22. What is the ratio [OCD]/[OAB]?
*June 20, 2013*

**math**

Let f(n)=1/√1+√2+1/√2+√3+1/√3+√4…1/√n+√n+1. For how many positive integers n, in the range 1≤n≤1000, is f(n) an integer?
*June 20, 2013*

**maths**

What is the sum of all 2-digit positive numbers whose digits are either 1, 2, 3 or 4?
*June 19, 2013*

**maths**

What is the sum of all possible positive integer values of n, such that n^2+19n+130 is a perfect square?
*June 19, 2013*

**math**

How many positive integers less than 1000000 have the sum of their digits equal to 7?
*June 19, 2013*

**physics**

the displacement-time graph of two bodies P and Q are straight lines making angles 30° and 60° respectively with time axis .Calculate the ratio of velocities P and Q
*August 31, 2012*

**math**

Jose was playing a game with marbles.In the first round ,he lost 1/4 of his marbles.In the Second round,he lost 1/3 of his remaining marbles.In the third round,he lost 1/2 of his remaining marbles.He gave 1 marbles to his friend shavana.He had 1 marble left. How many marbles ...
*March 3, 2012*

**Economics**

Suppose That A Scientific Breakthrough Leads To The Discovery Of A New Cheap Source Of Energy. What Would Be The Effect Of This Invention In The Short-Run And In The Long-Run?
*February 18, 2010*

**Algebra (factoring)**

Factor Completely: 1000p^3 - 1 help please
*March 16, 2009*

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