# Posts by gunjan

Total # Posts: 10

**physics**

a stone is projected vertically upward and reaches a maximum height of 20m before it returns to the thrower find the total time taken

**physics**

a solid X, insoluble in water, weighs 180g in air and 150g in water. what is the relative density of the solid X? it is the physics question.

**maths**

Given p(x)=x^4+ax^3+bx^2+cx+d,such that x=0 is the only real root of p'(x)=0.If p(-1)<p(1),then in the interval [-1,1],which is maximum and minimum of p(-1) and p(1)?: a)p(-1) is minimum and p(1) is maximum. b)p(-1) is not minimum and p(1) is maximum. c)neither p(-1) is...

**maths**

Given p(x)=x^4+ax^3+bx^2+cx+d,such that x=0 is the only real root of p'(x)=0.If p(-1)<p(1),then in the interval [-1,1],which is maximum and minimum of p(-1) and p(1)?: a)p(-1) is minimum and p(1) is maximum. b)p(-1) is not minimum and p(1) is maximum. c)neither p(-1) is...

**math**

A swimmer S is in the sea at a distance of 4km from the closest point A on a straight shore.His house B is on the shore at a distance 5km from A.He can swim at a speed of 3km/hr.The distance of the point on the shore from B so that he reaches his home in the minimum time is=?

**English**

The handycraft guide of india is organising a 10 days art and craft mela in lalpared ground of your city .prepare a poster for the general public inviting them to visit the mela and perchase articles of art and craft including ethic clothes.the entry to the mela is free and ...

**science**

a body travel a distance of 15m from a to b and them movrs 20 m at right angles to ab. calculate the total distance covered and displacement. (

**physics**

a body travel a distance of 15 m from a to b and them moves 20 m at right angles to ab. calculate total distance covered and displacement.

**physics**

a cyclist travels a distance of 4km from p to q and moves a distance of 3km at right angle to pq .find his resulted displacement graphically

**SMU**

Ans:- Machines are used to pack sugar into packets supposedly containing 1.20 kg each. On testing a large number of packets over a long period of time, it was found that the mean weight of the packets was 1.24 kg and the standard deviation was 0.04 Kg. A particular machine is ...