March 1, 2017

Search: Physics w/ Calc

Number of results: 74,059

1, A Body Of Mass 6kg Was Acted Upon By A Constant Force Of 18N. Calc Its Velocity In 5sec. 2. A Car Moving At 108km/hr Was Gradually Brought To Rest By Constant Force Of 2500N After 8sec. Calc The Decelleratio
July 12, 2016 by Jane

physics -damon help
An ac source of 50v,100÷πHz is connected in series with an inductor of inductance L ad a resistor of resistance R.the current in the circuit is 2A ad p.d. across L and R are 30v ad 40v respectively 1) calc d average power dissipated 2) calc d power factor in the circuit
November 3, 2016 by maths

Studying for Calc
I have a quiz on derivatives coming up and I really want to do well, but i'm not sure how to go about studying calc. i have no trouble studying for other subjects, but i'm doing poorly in calc and i need to make some changes in my study habits. any suggestions? i usually work ...
October 7, 2008 by Elizabeth

August 9, 2010 by MTHOMBENI BAFANA

Which set of parametric equations corresponds to this rectangular equation? y=2x-(x^2 / 10) A. x=4t, y=4t-(t^2 /10) B. x=2t, y=8t-(4t^2/10) C. x=2t, y=4t-(4t^2/10) D. x=.5t, y=2t-(t^2/10) E. x=t, y=t-(t^2/10)
April 17, 2013 by Chris Math Hw Help

Can someone help me with this calc problem? lim as x->0 (tan^3 (2x))/(x^3)
January 8, 2009 by Nick

help chem!:/
a) Calc. PH of 0.010 M HF and 0.030 M KF e) calc. PH Zn(OH)2 in wAter
March 15, 2012 by ALISON

Pre Calc
Does this: sqrt 3x-4=(x-4)^2-3 Multiply out to: x^4-16x^3+90^2-211x+173 I then need to put it in the graphing calc and see what the roots are.
September 10, 2009 by muffy

calculus (limits)
lim h>0 sqrt(1+h)-1/h not sure how to factor this; not allowed to use L'Hopital's Rule. (that isn't taught at my school until Calc II & I'm in Calc I).
January 22, 2011 by John

an aeroplane is travelling horizontally at a speed of 80ms and drops a crate of emergency supplies.To avoid damage,the max vertical speed of the crate on landing is 20ms. a)calc d max height of the aeroplane when the crate is dropped b)calc d time taken for the crate to reach ...
January 19, 2012 by Shanti

Calc or Pre calc
I am having trouble doing this problem. I know how to do indefinate integrals, but I don't know how to do definate integrals. Can you show me how to do this. Evaluate 5 (x^3-2x)dx 2
May 14, 2008 by jennifer

If (a,-3) is a point on the graph of y=x^2+4x, what is the value of a? so far i have -3=x^2+4x i can do the problem on my graphing calc but we can't use a graphing calc on the test so i need to know how to do it by hand. what do i do next?
January 20, 2010 by Karen

I'm stuck on a pre-calc problem. I need to find y as a function of x, where the constant c is a positive number for In(y-1)+In(y+1)= -x+c express your question as ln[(y-1)(y+1)] = -x+c change that to exponential form e^(-x+c) = (y-1)(y+1) e^(-x+c) = y^2 - 1 y^2 = e^(-x+c) + 1 ...
May 9, 2007 by Sarah

calc the buoyant force on a 2 L helium balloon
December 6, 2012 by chris

Can you show me how to find the rectangular equation of r=2costheta + 3 sin theta All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you
October 3, 2011 by Leah

Physics & Calc
Derive the stationary target equations: v1 = [(m1-m2)/(m1+m2)]v1 v2 = [(2m1)/(m1 + m2)] v1
November 11, 2010 by Megan

Calc and Physics
Damon and Reiny. Thanks for your quick and thorough responses.
December 16, 2012 by Daryl

Hi, How do I improve my math skills? I can't calculate in my head (I.e 2x43), I would actually have to write it down to solve it. I took pre-calc, calc and didn't have problem understanding. I don't know what is wrong. what should I do?
February 27, 2015 by john

C code
Write a .c file named calc that: - Takes arguments from the command line - Solves a simple math problem - Returns the result as an exit status calc.c: //this is the function that gets called when the executable is run. int main(int argc, char * argv[]){ //I've given you the ...
February 6, 2013 by Nick

physics-non calc
a hammer was released from rest vi=0m/s taking 1.12 seconds to fall 1 meter. How do you solve that
October 14, 2010 by charles

liquid heptane C7H16 is completely combusted to produce CO2 and H2O: C7H16 + 11O2 --> 7CO2 + 8H2O the heat combustion for one mole of C7H16 is -4.85*10^-3 CO2 heat of comb. = -393.5 H2O h of c= -285.8 a) calc. the vale of heat of cumbustion for C7H16 in kJ/mol a .0108 mol ...
March 10, 2010 by hilde

physics calc based
In the product F = qB (vectors), take q = 2 (neglecting the units of charge, q) and v = 2.0 i + 4.0 j + 6.0 k and F = 4.0 i + (-20 j) + 12 k . What then is B in unit-vector notation if Bx=By ?
January 24, 2010 by hannah

AP Calc B/C
The base of a solid is the region enclosed by y=x^3 and the x-axis on the interval [0,4]. Cross sections perpendicular to the x-axis are semicircles with diameter in the plain of the base. Write an integral that represents the volume of the solid. I drew a picture, but I ...
December 15, 2014 by Anon

Physics with Calc
A point charge of 1.8uC (microcoulumbs) is at the center of a Gaussian cube 55 cm on edge. What is the net electric flux through the surface?
February 5, 2011 by Robert

Profit=p(-p^2+33p+9)-9(-p^2+33p+9)+100 How do I simplify this so I can take the derivative For Further Reading * Calc - Michael, Sunday, November 25, 2007 at 4:17pm Profit=p(-p^2+33p+9)-9(-p^2+33p+9)+100 p(-p^2 + 33p + 9) Just distribute the p in. -9(-p^2 + 33p + 9) Find the ...
November 25, 2007 by Ben

Calc pt2
Original question: Posted by Lost One on Tuesday, March 5, 2013 at 12:04pm. Let f(x) = (2/3)x^3 - 2x + 1 with a restricted domain of [1,infinity]. What is the value of (f-1)'(x) when x = 13? •Calc - Steve, Tuesday, March 5, 2013 at 12:58pm since x = f^-1(y) and dx/dy = 1/y' ...
March 5, 2013 by Lost One

Use L’Hopital’s rule to find the limit of this sequence (n^100)/(e^n) ...If you do L'Hop. Rule it would take forever, right? You would always get an (e^n) at the bottom and will have to use the L'Hop. rule 100 times to find the limit...100*n^99, 9900n^98, and etc. Is there...
February 1, 2012 by lola

A body covers a distance of 25m in the 5th sec of its motion and 40m in the 8th sec.of its motion. Calc.initial velocity and acceleration.
July 4, 2012 by Mohan

This is the last question on my pre-calc homework, I looked through the textbook and have no idea how to do this. Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one ...
March 5, 2015 by Cat Jones

A ball is thrown vertically upward from a cliff with a speed of 20 ft/sec. The ball hits the ground at 140 ft/sec. How high is the cliff? v'+-32
December 12, 2014 by Sally

A ball is thrown vertically upward from a cliff with a speed of 20 ft/sec. The ball hits the ground at 140 ft/sec. How high is the cliff? v'+-32
December 12, 2014 by Sally

A sphere of radius 10 cm is charged to a potential of 500V. Calculate the outward pull per unit area. Ans: 1390 * 10^-8 N/m^2 -------- I'm sure the calc is simple, but how do I calculate "outward pull" from voltage?
December 24, 2009 by Sean

AP Calc
When a chain hangs under its own weight, its shape is catenary. The equation of a catenary with a vertex on the y-axis is y=e^x+e^-x. Find the length of the chain from x=-2 to x=2. Then use the same technique from Problem #8(Previous AP calc problem I posted) to find the ...
July 31, 2014 by Anon

Physics-Please check answer
Damon helped me with this calc but I think the answer should be -20, not -22, could someone please check the calculation If a ball is thrown into the wall at 14 m/s and comes off at 6 m/s, what is change of velocity of the ball? I think it would be 14-6 = (-8 m/s) Is that ...
January 5, 2011 by Russ

Use the CALC features of the TI to answer the following. Show what you put into the calculator & what CALC feature you used. Round to the nearest tenths. The equation h = 20 cos (π/4 (t-3)) + 23 tells how high above the ground a ferris wheel car is at any given time. h is...
October 29, 2015 by Clarice

A student is in a 20 week calc class. The function f(t)=50-50e^0.2t f(t) measures the students problem speed in t weeks -how many problems per hour can a student solve at the beginning of the course - how many problems per hour can a student solve halfway through the course -...
July 20, 2012 by Marshall

f(x)=7x-4 a) f(0) b) f(-3) c) f(b) d) f(x-1)
October 4, 2009 by kim

calc 2
(dy/dx) + 8y =5
March 24, 2010 by Anonymous

calc 2
(dy/dx) + 8y =5
March 24, 2010 by Anonymous

calc 2
(dy/dx) + 8y =5
March 24, 2010 by Anonymous

calc 2
(dy/dx) + 8y =5
March 24, 2010 by Anonymous

(e^x + e^-x)/2=1
October 17, 2010 by BOB

(e^7x)/(e^3)^x= e^16
October 18, 2010 by pauly

October 18, 2010 by Vinny

If dy/dx = xy - y^2 and y(1) = 3, then y (2) = ?
February 22, 2011 by Erica

If dy/dt = 2y/(t(t+2)) for t>0 and y = 1 when t = 1, then when t = 2, y = ?
February 22, 2011 by Erica

If f(x)= (3x)^(3x), then f'(x) = ? Thank you!
April 25, 2011 by Erica

May 4, 2011 by anon

R(t)=85 t-2 t**2; t=4
December 7, 2011 by lc

Ap calc
F(x)= (2x-5)^3
February 3, 2013 by Trent

ap calc
what is 2+2
November 30, 2014 by Bro

October 13, 2015 by Julie

If x=t^3-t and y=√(3t+1), then dy/dx at t=1 is what?
December 6, 2016 by Sarah

This problem is from my chemistry book and I am having a little trouble with the intermediary steps: Barium metal crystallizes in a body- centered cubic lattice (atoms at lattice points only) The unit cell edge length is 502 pm, and the density of the metal if 3.5g/cm^3. (...
May 18, 2010 by Tokey

College Physics II (Calc-Based)
In state-of-the-art vacuum systems, pressures as low as 1.00 x 10^-9 Pa are being attained. Calculate the number of molecules in a 1.90-m^3 vessel at this pressure and a temperature of 35.0°C. Okay. So I know I have to use the Ideal Gas Law, PV = nRT, I then transformed it ...
August 29, 2013 by Andrew

A .682 g sample of an unknown weak monoprotic acid, HA, was dissolved in sufficient water to make 50mL of solution and was titrated with a .135 M NaOH solution. After the addition of 10.6mL of base, a pH of 5.65 was recorded. The equivalence point was reached after the ...
May 9, 2007 by Sara

medical physics
Rx = 3000 cGy in 10 fractions, whole brain Rt and Lt laterals, KD Siemens 6x. The collimator is set for 22 X 16 cm2 portal films at 92.5 cm SSD. Calculate the treatment port MU to isocenter. Calibration performed std. SAD; treatment performed SSD (assume SSDs at the calc point...
February 20, 2013 by sara

calc question
Fx = d(x) * q(x) + r(x) if r cant be o and d(x) = 2 what is r?
February 9, 2007 by tofu

how to do the integral of (ln(x))/(x^2)
January 23, 2008 by sarah

what is the derivative of 1/x??
October 30, 2008 by Dan

What is the integral of x^(7/2) * ln(x) dx? Thanks
November 17, 2008 by Mike

ln(a² − b²)
January 24, 2009 by cindy999

Pre Calc
How do I do this?... Sq Rt[(9*Sq Rt(3x^2))]
March 14, 2009 by MW

How do I solve for x in: y = -(x-4)^2 + 4
April 2, 2009 by Jose

what is a derivitive? And how do you get it (f(x)=2x) from f(x)=x^2-3?
September 10, 2009 by Katie

lim x->3 ((x^-2)-(3^-2))/(x-3)
September 20, 2009 by sh

pre calc
October 30, 2009 by Laurie

Pre Calc
h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 8 1 5 2 7 6 5
November 13, 2009 by Pre Calc

how do I integrate x^4-3y^3+2y^2? thanks
November 21, 2009 by Rose

pre calc
February 23, 2010 by Karissa

Calc II
x^3/(sqrt x^2+25) dx
June 26, 2010 by Scott

y(s)= 1/(6(s^2)) - 5/s Find Y'(s)
October 3, 2010 by Mel

Find f'(7) for f(x)=6x^ln(x)
November 4, 2010 by Adam

Find y' for y = x/(x+y)
December 3, 2010 by Brandon

derivative of (x^2+14)/x
February 8, 2011 by Matt

What is the antiderivative of dy/dx = x/(x^2 + 1)?
February 15, 2011 by Erica

February 16, 2011 by megan

February 16, 2011 by megan

INTEGRAL OF Y^2/(25+Y^2)
February 26, 2011 by tom

hi what is the derivativ of [-18(x^2)]/[(1+2(X^3))^2] ?? thanks!~
March 10, 2011 by Tinka

April 10, 2011 by Chelsey

Let f(3) = 0, f '(3) = 6, g(3) = 1, and g '(3) = 1/3. If h(x) = f(x)*g(x), find h '(3).
April 30, 2011 by Todd

dy/dx of xy^2=tan(2x+4y)
April 30, 2011 by ardi

Calc 3
intersect x^2+y^2=36-8x^2-8y^2
July 13, 2011 by Katie

Calc AB
(1/(x+h))-(1/x) ..simplify
August 18, 2011 by star

Calc AB
(x+y)^3 expand
August 18, 2011 by star

lim x-> 2- = 2x-x^2/x-2
September 18, 2011 by calculus

find d^2y/dx^2 of dy/dx = -[y/x]^1/3
December 5, 2011 by Anonymous

find d^2y/dx^2 of dy/dx = -[y/x]^1/3
December 5, 2011 by Anonymous

what is (x^2-8x+3) factored?
January 9, 2012 by haleigh

pre calc
January 25, 2012 by Dorene

Integrate from [0, 1/2]: 1/(4x^2+1)^(3/2) dx
February 23, 2012 by Anonymous

Calc AB
How do you simplify: (x^(3/2))(x+x^(5/2)-x^2)
August 6, 2012 by Em

What is lim (x -> 0) of (e^x) / x Thank you!!
September 13, 2012 by NIK

Integrate 2(x^2)e^g(x) where g(x)=4^(x^3)
May 1, 2013 by Sunny

AP Calc.
Simplify: [(x^-3)-x]/[(x^-2)-1]
July 12, 2013 by Anon

f"(x)=10, f'(x)=3 f(0)=1/3 find f(1)
November 22, 2014 by Beth

Ap calc
If y= e^x - e^-x / e^x + e^-x , then y'= Please help
January 8, 2015 by Lynds

derivative of y=4^(6-x^2)
February 18, 2015 by jessica

integral from 1 to x of (5/(t^3 +3))dt
April 19, 2015 by sam

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