If y equals to 9 minus 7x plus 2x squared, find y when x equals to 3?

Q: Two vectors with lengths 1.00 m and 2.00 m have an angle, q = 30.0°, between them. What is the…

A:

Q: If the magnitude of a vector D =76.9 and is directed 29.3 clockwise from the negative x axis, what…

A: Given,  magnitude of vector D=76.9 m, and its making 29.3o angle with -x axis in clockwise direction…

Q: 15. Go The corners of a square lie on a circle of diameter D = 0.35 m. Each side of the square has a…

A: The corners of the square lie in the circle. This means square is inscribed in a circle. The…

Q: Find the change in area of a rectangle if the error in length L is 3% and error in width W is -1% 2%…

A: percentage error in area of rectangle, ∆AA*100=∆LL*100+∆WW*100

Q: Vector m=4.00 points eastward and vector n=3.00m southward. The resultant vector m+n is given by?

A: Given data:  M = 4.00 m, towards East  N = 3.00 m, towards South Required: Resultant vector M+N

Q: Determine the percent uncertainty in 0, and in sin 0, when (a) 0 = 15.0° ± 0.5°, (b) 0 = 75.0° ±…

A: (a) Percentage uncertainty in θ

Q: A surveyor measures the distance across a straight river by the following method: Starting directly…

A: Given:  x = 100 m  θ = 35.0°

Q: Vector A is 30 N and Vector B is 40 N, What angle does Vector A make with Vector B when the…

A: The angle does the vector A make with vector B is, R2=A2+B2+2ABcosθR2-A2-B2=2ABcosθcosθ=R2-A2-B22AB

Q: Carry out the following arithmetic operations: (a) the sum ofthe measured values 756, 37.2, 0.83,…

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Q: If the rectangular coordinates of a point are given by (2, y) and its polar coordinates are (r, 30),…

A: answer y=1.1547 r=2.3094 Explanation Relationship between rectangular coordinates (x,y) and polar…

Q:  Find derivative of functions:

A: Given function is in the following format, y = f(x) / g(x) Derivative of y can be written as…

Q: A vector has a component of 6.9 m in the +x direction, a component of 2.8 m in the +y direction, and…

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Q: Let's Appraise The magnitude of a vector F is 10 units and the direction of the vector is 60°…

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Q: Express F as a vector in terms of the unit vectors i, j, and k. Determine the angle between F and…

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Q: An architect is redesigning a rectangular room on the blueprints of the house. He decides to double…

A: Let the length of the rectangle be L breadth B and height H. Therefore, volume of the rectangle:…

Q: Find the area under the curve y = 21/x3 from x = 1 to x = t. Evaluate the area under the curve for t…

A: Given, the curve, y = 21x3 To get the area (A) under the curve 'y' from x =1 to x = t, we should…

Q: In Figure P1.49, find (a) the side opposite θ, (b) the side adjacentto ϕ, (c) cos θ, (d) sin ϕ, and…

A: Given:

Q: The y-component of a vector having length 150 m at an angle of 30° with x-axis will be equal to..

A: vector, R  = 150 m  Angle, A = 30 degree from + X axis

Q: The vector B>has components Bx = -2.10 m and By = -1.70 m. Find the direction angle,u, for this…

A: Let the magnitude of that vector be B0. And as the both components are negative , so clearly the…

Q: x² + 4x – 5 b Using Trigonometric Substitution dx = | f(e)dA · find the new limits of integration.…

A: Given that:- Basic mathematics equation is given in the question.

Q: Two points in the xy plane have Cartesian coordinates (2.00, –4.00) m and (-3.00, 3.00) m. Determine…

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Q: IS a ge. Wld ough the sur the spner units of N m2/C? Select one: O a. 1.75 x105 O b. 1.7x 10-16 O .…

A: Use Gauss's Law to find flux Flux=sum of all charges within the surfaceε0 value of ε0=8.85×10-12…

Q: "If both x and y components of a vector A are positive, then the range of angle will be"

A:

Q: In A= B" C" expression, A has a dimension of [LT], and B has a dimension of [L²T']. If C has a…

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Q: The corners of a square lie on a circle of diameter D = 0.35 m. Each side of the square has a length…

A:

Q: Two vectors in polar coordinates (R, θ) are given by
 V1 = (5.0, 125°) and V2 = (4.0, 260°). Find…

A:

Q: A surveyor measures the distance across a straight river by the following method: Starting directly…

A:

Q: For an angle, u measured from the positive x - axis, the valuesof sin u and cos u are always (choose…

A: Maximum value of sin and cos functions are +1 and the minimum value for both is -1.Thus, option (d)…

Q: A surveyor measures the distance across a straight river by the following method: Starting directly…

A:

Q: polar angle of point

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Q: If the vector = 5 N and the angle with x-axis is ?= 36.80, then the rectangular form of the vector…

A: Given,Magnitude of the vector, R = 5 NAngle with the horizontal or with x - axis, θ = 36.80°

Q: A vector  A  has components  Ax = −3.00 m  and  Ay = 6.00 m.  Find the magnitude (in m) and the…

A: Given,

Q: A vector is added to The resultant vector is in the negative (-y) direction and has a B = 5î – 103.…

A: Let A→ = Axi^ + Ayj^B→ = 5i^ - 10j^Let resultant (R→) = -Ry j^

Q: If  vox= 7.50, voy= 12.99, tup= 1.326, ttotal=2.651, range x=19.88, height y =8.61  Find the…

A: Solution: Given that Vox= 7.50, Voy= 12.99, tup= 1.326s, ttotal=2.651s, range x=19.88, height y…

Q: then Cy Clic 2 L= m/2 (x+Y) - mgy is x Coordinates O True DFulse

A: Given: Lagrangian, L=m2(x.+y.) -mgy To find cyclic coordinate

Q: If In(x) 3.37, what is the value of x?

A: According to question we need to find value of x.

Q: Given 3 vectors: Vector 1 is 500N at 300, Vector 2 is 300N at 1500 and Vector 3 is 400N at 2700,…

A: Given: Magnitude of Vector 1 = 500 N , Angle of Vector 1 = 30o Magnitude of Vector 2 = 200 N , Angle…

Q: write the vector v in terms of i and j whose magnitude lvl and direction angle θ are given as lvl =…

A: Let us consider V⇀ for which magnitude & angle are given as written below:- V=12 -----(1)…

Q: in the general linear equation y=bx+a, what is measured by the value of b?

A:

Q: 128. Compute the relative error and absolute error when measuring the area of a rectangle of length,…

A: As per guidelines, only first , Q.138 is solved her. L = (10±0.2)m W = 6±0.1m We know that area =…

Q: In a certain right triangle, the two sides that are perpendicularto each other are 5.00 m and 7.00 m…

A: Let a, b c be the three sides of the triangle.  Third side is the hypotenuse which is not…

Q: 15. Find the number of Significant Figures in 0.0043000 2. 7.

A: Number of significant figures in 0.0043000 = 5 . It is so because all the zeroes to the left of the…

Q: If y = e'(x – 1) then y"(0) equals

A: y = ex(x-1) y = xex - ex Differentiate with respect to x y' = d(xex)/dx -d(ex)/dx y' = xex +ex -ex…

Q: A building 200 ft tall is 300 ft by 500 ft in cross section. If all four sides of the building are…

A:

Q: If the relationship between y and xis given by y= 30 x5 are the slope and y- intercept of the log y…

A: y = 30x5Taking log on both sides, we get : log (y) = log (30x5)log(y) = log(30) + log(x5)log(y) =…

Q: If A= 2£ + 4ý + 62. Find the magnitude of A?

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Q: If two collinear vectors A and B are added, the resultant has a magnitude equal to 4.0. If B is…

A: Given, the resultant of the sum of two collinear vectors A and B has magnitude 4. It can be written…

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.