# Akki

Popular questions and responses by Akki
1. ## History

What is the “crack problem” Gorbachev faced in the late 1980s? Why did he face this problem?

2. ## Science

Physics question -A driver of a car travelling at 72km/h, applying brakes and accelerates uniformly in opposite direction at the rate of 5m/s2. How long will the car take to come into rest ? How far will the car covered a distance after applying bra

3. ## calculus

An artificially created lake is bordered on one side by a straight dam. The shape of the lake surface is that of a region in the xy-plane bounded by the graphs of 2y=16-x^2 and x+2y=4. Find the area of the surface of the lake.

4. ## Calculus

Find out the partial derivative w.r.t 'x' and 'y' of f (x,y) = log(y) x Now, log(y) x = ln x / ln y Partial Diff w.r.t 'x' = 1/ x ln y so can you find out what will be the partial derivatives w.r.t 'y'

5. ## Physics

The HCl molecule consists of a hydrogen atom (mass 1u) and a chlorine atom (mass 35u). The centres of the two atoms are separated by 127pm (=1.27x10-10m). What is the moment of inertia, I, about an axis perpendicular to the line joining the two atoms which

6. ## calculus

Find relative Minimum and Maximum f'(x) = (9-4x^2)/ (x+1)^1/3

7. ## science

A truck travelling down the hill at constent acceleration. If it teavell 300m in 15s calculate it acceleration

8. ## Thermodynamics

A closed cycle gas turbine unit operating with max. And min. Temp. Of 760 and 20 Celsius deg has a pressure ratio of 7/1. Calculate the thermal efficiency and work ratio? Ans = 42.7 % , 0.505 My answers are : Efficiency 42.7 % which is correct.. but work

9. ## Calculus

Find the area of the bounded region by the graph of x=2y-3 and x=y^2-2y in two ways (i) using x axis as refrence y axis (ii) using y axis as refrence x axis

10. ## calculus

Find the area between the curves y=x^2 & x=2?

11. ## calculus

Find the area of the region bounded by the curves y=x^2 & y=2x???

12. ## Physics

The HCl molecule consists of a hydrogen atom (mass 1u) and a chlorine atom (mass 35u). The centres of the two atoms are separated by 127pm (=1.27x10-10m). What is the moment of inertia, I, about an axis perpendicular to the line joining the two atoms which

13. ## Calculus

Calculate the area of the bounded region between the curves y^2=x and 3y = -3y + 9 ?

14. ## calculus

integral sqrt(1-x^2) . sin^-1 x dx

15. ## calculus

integral sec^-1 x dx

16. ## Calculus

Integral sqrt(x-1/x^5)

17. ## Calculus

The volume, V cm3 , of a cone height h is pi x h^3 / 12 If h increases at a constant rate of 0.2 cm/sec and the initial height is 2 cm, express V in terms of t and find the rate of change of V at time t.

18. ## ndiit eco

Sonia has a limited income which she spends on goods x and y with market price of x given as rs 15 per unit and y as rs 20 per unit. When she draws budget line it terminates x axis at 50 units. Find sonia's income and slope of her budget line

1. ## Math

The length of the latus rectum 4p=12 The focus is s=(-1,1) The vertex is A=(2,1) The equation of the parabola is (y-k)^2= - 4a(x-h) (y-1)^2= -12(x-2)

posted on December 23, 2016
2. ## Science

0.01

posted on July 30, 2016
3. ## Calculus

3y = -3x + 9

posted on February 17, 2015