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Recent questions tagged q90

Speed of a planet in an elliptical orbit with semi major axis 'a' about sum of mass M at a distance r from the sun is

asked Aug 29, 2013 by meena.p

1 answer

A body of mass 3 kg under constant force which causes a displacement $s$ in meters in it given by $s=\large\frac{1}{3}$$t^2$ work done by the force in $2$ seconds is

asked Aug 8, 2013 by meena.p

1 answer

A particle of mass $0.3 kg$ is subjected to a force $F=-kx$ with $k=15 N/m$. What will be its initial acceleration if it is released from a point $20 cm$ away from orgin?

asked Jul 15, 2013 by meena.p

1 answer

A particular integral of $(D^{2}-4D+4)y=e^{2x}$ is

asked May 23, 2013 by poojasapani_1

1 answer

The length of the latus rectum of the parabola whose vertex is $(2 ,-3)$ and the directrix $ x=4 $ is

asked May 13, 2013 by poojasapani_1

1 answer

Evaluate:$\int \limits _0^{\pi/2} \frac{1}{2\cos x+4 \sin x}dx$

asked Feb 4, 2013 by meena.p

1 answer

Without using derivatives find the maximum and minimum value of $ f(x) = \sin2x+7 $

asked Jan 30, 2013 by meena.p

1 answer

Suppose a random variable X follows the binomial distribution with parameters n and p,where 0 < p < 1.If P(x=r)/P(x=n-r) is independent of n and r ,then P equals

asked Jan 10, 2013 by sreemathi.v

1 answer

Let $f(x)=|sin x|$,then

asked Jan 2, 2013 by sreemathi.v

1 answer

True or False: If A and B are two matrices of the same order, then A-B = B-A.

asked Dec 24, 2012 by sreemathi.v

1 answer

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