For items 11 - 12. Point X represents the position of the car on the ground and point Y represents the position on top of the hill. The straight road to the top of a hill is 2500 feet long and makes an angle of 12^o with the horizontal. Find the height of the hill.

Q: The density of platinum is 2.2 x 10¹ kg/m³. Determine the mass m of a cube of platinum that is 4.0…

A: Given: The given details are, The density of the platinum is 2.2×104kg/m3. To find the value of the…

Q: Area The bottom of a planter is to be made in the shape of an isosceles triangle, with the two equal…

A: Equal side of isosceles triangle: a = 3 ft Third side of triangle: b = 2 ft  Area of bottom of…

Q: 4. Which of the following contain the same number of significant figures? O a) 540 and 0.020 b) 10.1…

A:

Q: (a) Sketch the curve by using the parametric equations to plot points. Indicate with an arrow the…

A: Given: x =2t-1 y=t2 -1 To Find: Cartesian equation and curve

Q: If there are two unknowns, the variable is always assigned to the larger value. True or false

A: Ans. False

Q: Estimate the order of magnitude of the length, in meters, of each of the following.

A: to estimate : The order of magnitude of length in meters for a pool cue

Q: A child playing in a swimming pool realizes that it is easy to push a small inflated ball under the…

A: using equilibrium of forces weight of the ball + applied force = buoyant force V * density of…

Q: O The speed in km/min equal to 78.0 mi/h O The area in ft? of a rectangle with sides 18.6 m and 3.82…

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Q: 3) Find B and 0 for B with components Bg = 75.5 m and By = 6.20 m. Draw a diagram and label your…

A: Given data *The horizontal component of the magnetic field is Bx = 75.5 m *The vertical component of…

Q: The figure shows an electric dipole. What is the magnitude of the dipole's electric field at point…

A:

Q: Find the magnitude of the vector whose x- and y-components are given to be 1.8217 and -2.0887,…

A: Given value---  x- and y-components are given to be 1.8217 and -2.0887. We have to find--- Find…

Q: Cube A is 2 inches on a side. Cube B is 8 inches on a side. Determine the following: 1. The volume…

A: 1. volume of cube:we know that,volume=side3VA=23=8 in3VB=83=521 in3

Q: 7. A Pyramid in Egypt has a square base 230 m on each side. The faces of the pyramid make an angle…

A: Pyramid is an example for a square prism.  Variables known, The length of the square base is 230m,…

Q: 5) The B has a component B, = - 2.10 meter and B, = -1.70 meter Find angle 6. Draw the diagram and…

A: Given Bx= -2.1 m By= -1.7 m

Q: A lecture period (50 min) is close to 1 microcentury. (a) How long is a microcentury in minutes?…

A: (a) Let t denotes the microcentury. Therefore, the microcentury can be determined as,     Thus,…

Q: Compute the following numbers to three significant figures.a. 33.3 x 25.4                 b. 33.3 -…

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Q: Write out the following numbers in full with the correct numbers of zeros. A. 718x10^4 B.…

A: A set of data written in scientific notation.Find:Write each number in full with correct number of…

Q: Select the correct statement for: “If the vector has a magnitude of 25 meters and make an angle of…

A: The magnitude of a vector is the length of the vector and the angle is the orientation from the axis…

Q: What is the percent error in each of the following approximation of n? (a) 22/7 (b) 355/113

A:

Q: Solve following using Significant figure rules: 497.2505 + 85.500 + 9.75 – 4.4

A:

Q: You measure the mass of a ball to be M = 7.5 kg and its diameter to be d = 1.58 m. a)Write an…

A:

Q: 2. (a) Add 3.53103km and 4.53105m, express your answer in m with correct number of significant fig-…

A: 1st value 3.53103× 103 = 3531.03m 2nd value 4.53105m

Q: The area of a rectangle with side of length r and width s is given by A = rs. Find the rate of…

A:

Q: A rectangle has length 3.24 m and height 0.532 m. To the correct number of significant figures, what…

A: To Find the correct number of significant figure in the area of a rectangle. We know a rectangle has…

Q: The height of a certain hill (in feet) is given by h(x, y) = 10 (2xy - 3 x^2 - 4y^2 -18x +28y + 12),…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve first three sub…

Q: 'mres In the following problem all angles are measured counter-clockwise from the positive x-axis.…

A: Given Data : The magnitude of vector A is given as A = 11.5. The direction of vector A is given as…

Q: 1. Add the following vector graphically. Draw the resultant vector on the diagram below. It has been…

A: Given: Draw the resultant vector on the diagram.Find the magnitude and direction of the resultant…

Q: 6. The volume of a cube is (Express your answer in

A:

Q: 3. A flat, rectangular field measures 100-ft. by 150-ft. Determine the area of this field in square…

A: Given: length of rectangular field, L = 150 ft Width of rectangular field, b = 100 ft

Q: (1) Estimate the area under the graph of f(x) = 1/x from x = 1 to x = 2 using five approximating…

A:

Q: 37. Calculate the circumference and area for the following circles. (Use the following formulas:…

A: Note: Based on our guidelines we are solving the first question, for the remaining solutions please…

Q: Exercises 1. 3.9 * 78.9= = 61.3 (correct result) 2. 32.01 +96.321 +36.98 +0.00023 +28.9= 3. 26.9/98…

A: to solve : using the significant figures rules

Q: The vectors A B C D , , and are shown in the figure. a) Write the vectors in components (in terms of…

A:

Q: Practice) a. To convert feet (ft) to meters (m), the number of feet should be multiplied by which of…

A: 2. (a) As we know, 1 m=3.28 ft To convert feet to meters. 1 ft1 m3.28 ft=1 m3.28 Thus, option (i)…

Q: Two straight conducting rods, which are I = 1.0m long, exactly parallel, and separated by d = 0.85…

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Q: Q4.If A 2i+3j ;and B-i+5k ;kind the angle between them. OR. Choose the Correct answer: 1 SI unit of…

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Q: Which one of the choices below represents the preferred practice regarding significant figures when…

A: Required :  Preferred practice regarding significant figures.

Q: 1. The floor of a rectangular building has an area of 120 square meter. The length of the floor / is…

A:

Q: A right-angle triangle has a hypotenuse of length 3m, and one of its angles is 30°. What are the…

A: Here,  Right angle triangle has a hypotenuse = 3m And 30° angle

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

A: Given value--- diameter of circle = 0.35 m. We have to find--- side of square?

Q: 5. The mass of tithe earth is 5.98x10* kg, and its radius is 6.38x10* m. Compute the density of the…

A:

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.