01/29/22

Which of the following is the solution to the differential equation dy/dx=ycosx with the initial condition y(pi/2)=e
Which of the following is the solution to the differential equation dy/dx=ycosx with the initial condition y(pi/2)=e
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01/29/22

wo charges lie in a line along the x axis. Charge 1 is q1 = 0.65 C and charge 2 is q2 = 2.45 C. They are each a distance of d = 0.021 m from the origin.
Two charges lie in a line along the x axis. Charge 1 is q1 = 0.65 C and charge 2 is q2 = 2.45 C. They are each a distance of d = 0.021 m from the origin.What is the distance on the x-axis from the... more
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01/23/22

A leprechaun is using a semicircular rainbow to travel from its house to a pot of gold which is 100 km apart
A leprechaun is using a semicircular rainbow to travel from its house to a pot of gold which is 100 km apart. At one point in the journey, it noticed that its distance from the pot of gold is... more
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10/16/21

find values for a and b so that the function is continuous for all x.

given g(x)= x³-2x+2 if x≤ -2x² +ax +b if -2<x<14x⁴-3x³ -5x +2 if 1≤  x
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08/04/21

find the amount of work in foot-pounds
A trough is 5 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of y=x^10 from x = −1 to x = 1 . The trough is full of water. Find the... more
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07/27/21

find the force in newtons
A tank full of water is designed with ends in the shape of an isosceles triangle with height 13 meters and width, at the top, of 14 meters. Find the hydrostatic force in newtons on one end of the... more
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07/27/21

find the answer in foot-pounds
A trough is 5 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of y=x^10 from x=−1 to x=1 . The trough is full of water. Find the... more
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07/26/21

important please evaluate the integral
evaluate the integral: -16 / x^2(sqrt(x^2+100))the trig substitution for this is: 10tan(theta)1. Which integral do you obtain after substituting for x and simplifying?2. What is the value of the... more
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07/24/21

evaluate the integral below
evaluate the integral: (sqrt(49 - x^2)) / (12x^2)the trig substitution for this is: 7sin(theta)1. Which integral do you obtain after substituting for x and simplifying?2. What is the value of the... more
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07/24/21

indefinite integral using partial fractions
∫(x2-3x-7)/(2x+3)(x+1)2dx
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07/22/21

Calculus 3 double integral
Find ∫∫R(2x+3y)dA where R is the parallelogram with vertices (0,0), (1,3), (-3,5), and (-2,8).Use the transformation x=u−3v, y=3u+5v
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07/17/21

Calculus 3 double integral
Find the volume of the solid bounded by the paraboloids z=−7+3x^2+3y^2 and z=5−3x^2−3y^2
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07/11/21

Calculus 3 Rate of Change
Find the direction in which the maximum rate of change occurs for the function f(x,y)=3xsin(xy) at the point (3,1). Give your answer as a unit vector.
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07/11/21

Projectile Motion Problem
A pumpkin is launched from the ground at an angle of 60° above the horizontal. The pumpkin strikes the center of a large target that is 80 ft from the pumpkin launcher and 48 ft above the... more
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02/23/21

plzz helppp urgenttttt
A 1.7kg ball is spun around in circular motion such that its radius is 0.7m and frequency is 10Hz.a. What is the period of its rotation?b. How much time will be required to complete 75 rotations?c.... more
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02/23/21

Helpp plzzzzz urgenttt
A horse completes 9 laps around a circular track in 254 s.a. What is the period?b. What is the frequency?c. If the radius of the track is 110 m, what is the velocity of the horse?d. What is the... more
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02/23/21

What is the velocity vector for a moving particle with a position vector r of t equals the components 2 over t, the natural log of t ?

What is the velocity vector for a moving particle with a position vector  ? A B C D
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02/20/21

Evaluate the integral of the product of x squared and the cube of the quantity x cubed plus 1, dx.
Evaluate .A.  B.   C.  ... more
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02/19/21

A merry-go-round has I = 319 kg•m? on its own, and is now spinning at 1.22 rad/s with a 34.7 kg kid standing 1.50 m from the axis. The kid then walks inward until he reaches 0.250 m from the axis.
A merry-go-round has I = 319 kg•m? on its own, and is now spinning at 1.22 rad/s with a 34.7 kg kid standing 1.50 m from the axis. The kid then walks inward until he reaches 0.250 m from the axis... more
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02/10/21

The base of a solid is the triangle with vertices (0,0), (1,0), and (0,1). Slices perpendicular to the x-axis are semicircles. Fine the volume of the solid.
Not sure where to start. Thank you in advance!
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02/10/21

Speed and Magnitude of Tension

A 0.60-kg rock attached to one end of a (massless) cord is swung at a constant speed in a vertical circle, having a radius of 1.20 m. If the magnitude of the tension in the cord at the bottom of... more
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02/09/21

For F(s) = L(f) = 1 /(s+a)(s+b)

where a, b constants, find f(t). Show the detail of your works.please help
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01/29/21

Two buldings are 82m apart. From a window in Building B, the angle of elevation to the top of Building A is 36 degrees.
From the same window, the angle of depression to the ground at the base of Building A is 44 degrees. Find the height of Building A.
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01/05/21

Use a u-substitution to rewrite the indefinite integral in terms of u and then evaluate. Give exact values only, no decimals. ∫cos(tan4x)sec^(2)4xdx=∫g(u)du.

u=? du=? dx g(u)=? ∫g(u)du=? +C ∫cos(tan4x)sec^(2)4xdx=? +C
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12/31/20

physics question
In an effort to rev up her class, Ms. Player does a demonstration with a bucket of water that has a total mass of 1.8 kg. Ms. Player whirls the bucket in a vertical circle, of radius 1.3 m, such... more
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