4. The Earth is (approximately) a sphere of radius 6.37 x 106 m. (a) Find the circumference of the Earth in meters. Circle your answer. Then convert it to miles, showing your work and circling your final answer. (b) Find the surface area of the Earth in square meters. Circle your answer. Then convert it to square miles, showing your work and circling your final answer. The surface area of a sphere is 4tr².

Q: A commuter airplane starts from an airport and takes the route shown in the figure below. The plane…

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Q: Determine the constants, A and B: 2x-3/(x-3)(x-4) = A/x-3 + B/x-4

A: We solve the equations by comparision of terms.

Q: Help

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Q: How to answer d and e

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Q: For a vector, F⇀= 119.37 kN at an angle of 66.39 degrees made with the horizontal in Q1. Find the…

A: According to question--- Given data-- Force vector = 119.37 kN. Angle = 66.39 degree. We have to…

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Q: Vector A has components Ax = 1.46 and A, = -16.6. What is the magnitude of this vector? JÄ = Find…

A: Components of vector A, Ax = 1.46 and Ay = - 16.6 Magnitude of A and Angle between vector A and +x…

Q: A person walks 15.0° north of east for 3.60 km. How far due north and how far due east would she…

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Q: b) Find the direction of - + B, where A = (23.1, 68.9), B = (91.7, -161.0). Express the angle…

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Q: 50.0⁰ 37.0⁰ A (12.0 m) 40.0⁰ -X

A: A = 12 m angle = 37 degrees

Q: Add the following two vectors if Keep a few digits. A= 15 a= 20 degrees B=11N b= 40 degrees B. C= at…

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Q: What is the direction of the final position vector r, measured from North? Use coun- terclockwise as…

A: Given: Vectors as: A→=187 km making an angle 37°with positive x-axis. B→=142 km making an angle…

Q: A person walks 33.0° north of east for 2.30 km. How far due north and how far due east would she…

A: In the picture, AB = 2.30 km He has to travel AC along east and BC along north

Q: Given the following vectors, b The angle of the vector 2 = 4a +56 with respect to the negative…

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Q: Part C Enter the expression -20 + 6D in the answer box using the notation just described. Express…

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Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.