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Recent questions tagged q86

Two satellites are moving in a common plane along circular paths. with one having angular velocity $w_1=1.09 \times 10^{-3} rad/s$ and another $w_2=1.08 \times 10^{-3}rad /s$. Find time interval which seperates the periodic approaches of the satellites to each other over minimum distance, if they are revolving in opposite sense.

asked Aug 26, 2013 by meena.p

1 answer

A bob of pendulum of length 2 m describes an are of a circle in a vertical plane. If the lension in the cord is $2.5$ times the weight of the bob for the position shown, find the velocity of the bobs at that position.

asked Aug 7, 2013 by meena.p

1 answer

Two blocks are in contact on a frictionless table. One has mass m and another mass '2m'. A force F is applied on '2m' as shown. Now the force F is applied on 'm' from right. In the two cases respectively the ratio of force of contact between the blocks is

asked Jul 14, 2013 by meena.p

2 answers

The differential equation of all non-vertical lines in a plane is?

asked May 23, 2013 by poojasapani_1

1 answer

The line $4x+2y=c$ is a tangent to the parabola $y^{2}=16x$ then $c$ is

asked May 13, 2013 by poojasapani_1

1 answer

Evaluate:$\int \limits_1^4 [\; \left |x-1 \right|+\left |x-2 \right |+\left| x-3\right |\;]\;dx$

asked Feb 4, 2013 by meena.p

1 answer

The curve $ y=ax^3+6x^2+bx+5$ touches the x-axis at P(-2,0) and cuts the y-axis at a point Q where its gradient is 3. Find a,b,c.

asked Jan 30, 2013 by meena.p

0 answers

The probability that a person is not swimmer is 0.3.The probability that out of 5 persons 4 are swimmers is

asked Jan 10, 2013 by sreemathi.v

1 answer

The function $f(x)=\cot x$ is discontinuous on the set

asked Jan 2, 2013 by sreemathi.v

1 answer

True or False: Matrix addition is associative as well as commutative.

asked Dec 24, 2012 by sreemathi.v

1 answer

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