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Recent questions tagged q93
Questions
A jet airplane is travelling at $200 m/s$ The engine takes in $100\;m^3$ of air having mass $100 \;kg$ each second. The air is used to burn 5 kg fuel each second. The energy is used to compress the products of combustion and to eject them at the rear of the plane at $500 m/s$ relative to the plane. The thrust of the engine is
jeemain
physics
class11
unit4
work-power-energy
q93
medium
asked
Aug 8, 2013
by
meena.p
1
answer
A car of 1000 kg with velocity 18 km/hr is stopped by brake of 1000 N. distance covered by it before stopping is
jeemain
physics
class11
unit3
laws-of-motion
q93
easy
asked
Jul 15, 2013
by
meena.p
1
answer
The degree of the differential equation $\;\Large c=\frac{\left[1+\left(\frac{dy}{dx}\right)^{3}\right]^{2/3}}{\frac{d^{3}y}{dx^{3}}}$ where $c$ is a constant
tnstate
class12
bookproblem
p238
objective
q93
asked
May 23, 2013
by
poojasapani_1
1
answer
The line $ 2x+3y+9=0$ touches the parabola $y^{2}=8x$ at the point
tnstate
class12
bookproblem
p274
objective
q93
modelpaper
mar-2006
asked
May 13, 2013
by
poojasapani_1
1
answer
Evaluate:$\int\limits_0^1 x\sqrt{\large\frac{1-x^2}{1+x^2}}$$dx$
cbse
class12
additionalproblem
kvquestionbank2012
ch7
q93
p30
sec-b
math
asked
Feb 4, 2013
by
meena.p
1
answer
Find the intervals in which f(x) = logcosx is strictly decreasing and strictly increasing.
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q93
p22
math
asked
Jan 30, 2013
by
meena.p
1
answer
A box has 100 pens of which 10 are defective.What is the probability that out of sample of 5 pens drawn one by one with replacement at most one is defective?
cbse
class12
ch13
q93
p285
objective
exemplar
sec-a
easy
math
asked
Jan 10, 2013
by
sreemathi.v
1
answer
The derivative of $\cos^{-1}(2x^2-1)$ w.r.t $\cos^{-1}x$ is
cbse
class12
ch5
q93
p115
objective
exemplar
sec-a
medium
math
asked
Jan 3, 2013
by
sreemathi.v
1
answer
True or False: If A and B are two square matrices of the same order , then AB = BA.
cbse
class12
ch3
q93
p63
true-or-false
exemplar
sec-a
easy
math
asked
Dec 24, 2012
by
sreemathi.v
1
answer
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