Line integral along the curve

Find the work done by a force ->F(x,y,z) = <xz, y, xy> along the curve C: ->r(t) = <4cos(t), 4sin(t), 3t> from point A(0 , 4 , 3(pi)/2) to B(-4, 0 , 3(pi) ).

Work out the value of a if when (Algebra 2)

f(x) = ax^3 - 3x^2 + 3x - 3 is divided by (2x-1) the remainder is -2.

sos confused ...Ellipse word problem .What's the planet's orbit (distance in millions of miles) about the star?

A planet moves in an elliptical orbit with a star at one of the foci. The perihelion​ (the smallest distance from the planet to the​ star) is 128.03 millions of miles and the aphelion​ (the largest... more


Caluculus Question

A pool in the shape of a hemisphere with a radius of 7 feet is filled with 6 feet of water.  Letting y  be the distance from the bottom of the hemisphere, set up the integral that would be used to... more


Find the vertical and horizontal asymptotes, domain, range, and roots of f(x)=−(1/x−3)+2

How would you explain this math question?

Finding Velocity, Acceleration and if the particle is increasing or decreasing

The position of an object moving along a line at any time 𝑡 ≥ 0 is given by the function 𝑠(𝑡) = 𝑡3 − 9𝑡2 + 18 , where s is measured in feet and t is measured in seconds. Find velocity of particle... more


Find the arc length on the interval for t between 0 and 2 inclusive for the curve

Find the arc length on the interval for t between 0 and 2 inclusive for the curve described with the parametric equations: x = 3t2, y = 2t3 + 1. (4 points)answer choices


What percentage of total flight time is spent at the top 10% of their jumping height?

Basketball players, volleyball players, and other jumping athletes often seem to hang in the air for a long time. This is because they spend a comparatively high percentage of their total flight... more

Please help me I don’t understand

Given: F(x) = x + 2 and G(x) = 3x + 5(F+G) (x) =A. 3x+7B. 4x+7C.3x^2+7


Solve the system by Elimination


calculus functions integration by parts

Which of the following functions of x can be integrated with respect to x without integration by parts, and purely using integration by u-substitution and the knowledge of the antiderivative of the... more

How do I solve this Physics question? Help Please!

Spiderman, whose mass is 78.0 kg, is dangling on the free end of a 11.8-m-long rope, the other end of which is fixed to a tree limb above. By repeatedly bending at the waist, he is able to get the... more

How many molecules are in one mole of caffeine?


What is the molar mass (in g/mol) of the unknown compound?

Suppose that you add 26.0 g of an unknown molecular compound to 0.250 kg of benzene, which has a KfKf of 5.12 oC/m. With the added solute, you find that there is a freezing point depression of... more


Can anybody help me with this question?

1. An electric circuit contains a resistance R and a capacitor C in series, and abattery supplying a time-varying electromotive force V(t). The charge q onthe capacitor therefore obeys the... more


How do I find average velocity without being given distance or time?

The problem for my homework is: "A car travels up a hill at a constant speed of 44 km/h and returns down the hill at a constant speed of 67 km/h. Calculate the average speed for the round trip".


Two particles with charges +6e and -6e are initially very far apart (effectively an infinite distance apart). They are then fixed at positions that are 6.52 x 10-12 m apart.

Two particles with charges +6e and -6e are initially very far apart (effectively an infinite distance apart). They are then fixed at positions that are 6.52 x 10-12 m apart. What is EPEfinal -... more


a certain force increase the length of wire by 1mm. which force is required to increase the length by 2mm??

its physics question plz Ans quickly its urgent...options....A 2f B 16f C 4f

Integrating something that already has a dx in it

What would integrating both sides of x*(dT/dx)=C in terms of x look like?I keep getting that T(x)=C, but i don't think that's right. boundary conditions: 𝑇(𝑥1 ) = 𝑇1 and 𝑇(𝑥2 ) = 𝑇2 Thank you
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