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Two is four more than twice a number. What is the number?

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Question #878c8

Question is too big, however, I desperately need help plz?

Evalute #lim_(x>oo) [sqrt(x^2+x+2)  sqrt(x^23x5)]#?

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(Thermodynamics)
Which of the following is not an assumption on which the kinetic model of an ideal gas is based? and why?

The diagram shows three circuits with identical batteries, identical inductor and identical resistors .
Rank them according to the current through the battery ?

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What is the Solution of the Differential Equation # (dP)/dt = kP  AP^2#?

A bar magnet falling inside a vertical metal tube reaches a terminal velocity even if the tube is evacuated so that there is no air resistance. Explain?

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The critical angle for total internal reflection in lucite is 41 degrees. How do you find lucite's index of refraction?

The period of oscillation of a simple pendulum of length L suspended from the roof of a rocket accelerating upwards with a constant acceleration (g) is given by?
A.Infinite B.0 C.#2π√l/(2g)# D.#2π √l/(g)#

After absorbing a neutron, a Uranium235 nucleus can fission to produce Barium141 and krypton92. Calculate the energy that would be released from this fission of a Uranium235 atom. How do you work this out?

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How do you find the amplitude and period of #Arc Tan#?

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Prove the postulate below?

If #vec a# and #vec b# are two equal vectors inclined at the angle #theta# then value of #sin (theta/2)=?#

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Find the potential difference across the plates given plate area, charge, and distance between plates? Why is k excluded from equation?

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How do you solve #kx^213x=5# where #1/3# is one solution of the equation?

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Suppose a 2 × 2 matrix A has an eigenvector (1 2) , with corresponding eigenvalue −4. what is A(2 4) ?

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#d/dx[int_1^tanx sqrt(tan^1t)dt]#?

Three cards are selected at random from a group of 7. Two of the cards have been marked with winning numbers. What is the probability that exactly 1 of the 3 cards has a winning number?

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If the shown shape has a depth of 4 what is its total volume?

Error propagation in pendulum ?

Clarification on universal gravitational potential energy re: planet orbiting a star?

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Is #6sin(x)cos(x)# equivalent to #3sin(2x)# or #sin(3x)#?

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How do you find a unit vector perpendicular to 4i  3j +k and parallel to the xy plane?

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How you calculate this? #abs((a,a+1,a+2),(a+1,a+3,a+1),(a+2,a+1,a))#

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I really don't understand this calculus 2 problem?

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Which of Kepler's laws gave Newton the idea about gravitational force and how it is related to distance?

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Could you please solve and explain this question using Gauss' Law ?

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How do you find the derivative of #F(x)=cose^tdt# from #[pi, lnx]#?

What is the electric potential from a charge of 3.0 x 10^5 C at 15 cm and 65 cm? How much work must be done to carry a +2.3 x 10^3 charge from 65 cm to 15 cm?

What is the average speed of an object that is still at #t=0# and accelerates at a rate of #a(t) =1t# from #t in [0, 1]#?

Frequency of vibration of two masses connected by a spring?

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Two non collinear position vectors #veca & vecb# are inclined at an angle #(2pi)/3#,where #veca=3 & vecb=4 #. A point P moves so that #vec(OP)=(e^t+e^t)veca +(e^te^t)vecb#. The least distance of P from origin O is #sqrt2sqrt(sqrtpq)# then p+q =?

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What is the electric field strength, the energy stored and the electric flux density of ?

How do you find the lengths of the curve #8x=2y^4+y^2# for #1<=y<=2#?

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If A+B=A+B then the angle between the vectors A and B is
*0 *180 *90 ?

How does electromagnetism affect plant growth?

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The force applied against a moving object travelling on a linear path is given by #F(x)= sinx + 1 #. How much work would it take to move the object over #x in [ 0,pi/4 ] #?

Two identical ladders are arranged as shown in the figure, resting on a horizontal surface. Mass of each ladder is M and length L. A block of mass m hangs from the apex point P. If the system is in equilibrium, find direction and magnitude of friction?

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How do you solve the system #x+y+z=3#, #3x+yz=13#, and #3x+y2z=18#?

Why is it that an interference pattern will not be seen when electrons fired through a double slit are observed?
Is watching the interference pattern forming not considered as observing which particular slit the electrons pass through?

Find the derivative of this function?

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