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Recent questions tagged q85

A ball at rest is dropped from a height of 12 m. It looses $25 \%$ of its Kinetic energy on striking the ground and bounces back to a height 'h'. Then value of 'h' is

asked Sep 17, 2013 by meena.p

1 answer

If a planet orbiting the sun in a circular orbit suddenly stops, it will fall onto the sun in a time n(T) where T is the period of planets revolution , then n is

asked Aug 26, 2013 by meena.p

1 answer

A block rests on an inclined plane. A spring is attached is a pulley and is pulled downward gradually with increasing force. $\mu $ is the coefficient of friction between block and inclined plane . Find the potential energy of the spring at the momentum when block begins to move for a force constant k of spring $[\theta= 30^{\circ}]$

asked Aug 7, 2013 by meena.p

1 answer

A parachutist after bailing out falls 50 m without friction. When parachute opens, it decelerates at $2 m/s^2 $. He reaches the ground with a speed of 3 m/s. At what height, did he bail out $(g=10 m/s^2)$

asked Jul 14, 2013 by meena.p

1 answer

The differential equation $\large\left(\frac{dx}{dy}\right)^{2}$$+5y^{1/3}=x$ is

asked May 22, 2013 by poojasapani_1

1 answer

$16x^{2}-3y^{2}-32x-12y-44=0 $ represents

asked May 13, 2013 by poojasapani_1

1 answer

Evaluate: $\int\limits_0^ a \frac{dx}{x+\sqrt {a^2-x^2}}$

asked Feb 4, 2013 by meena.p

1 answer

Find the maximum and minimum value of $ f(x)=| (\sin 4x+5) |$ without using derivatives.

asked Jan 30, 2013 by meena.p

0 answers

The probability of guessing correctly at least 8 out of 10 answers on a true-false type examination is

asked Jan 10, 2013 by sreemathi.v

1 answer

The set of points where the functions f given by $f(x)=|2x-1|\sin x$ is differentiable is

asked Jan 2, 2013 by sreemathi.v

1 answer

True or False: Matrices of different order can not be subtracted.

asked Dec 24, 2012 by sreemathi.v

1 answer

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