Adrianbillytrig
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The document contains solutions to two pre-calculus problems. Problem 3 involves calculating the height and distance from the base of a ladder leaning against a building at a 68 degree angle. Problem 16 calculates the vertical distance traveled and average speed of a space shuttle over 10 seconds based on changes in the angle of elevation observed from 1.5 miles away.
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Dear Students/Parents
We at 'Apex Institute' are committed to provide our students best quality education with ethics. Moving in this direction, we have decided that unlike other expensive and 5star facility type institutes who are huge investors and advertisers, we shall not invest huge amount of money in advertisements. It shall rather be invested on the betterment, enhancement of quality and resources at our center.
We are just looking forward to have 'word-of-mouth' publicity instead. Because, there is only a satisfied student and his/her parents can judge an institute's quality and it's faculty members coaching.
Those coaching institutes, who are investing highly on advertisements, are actually, wasting their money on it, in a sense. Rather, the money should be invested on highly experienced faculty members and on teaching gears.
We all at 'Apex' are taking this initiative to improve the quality of education along-with each student's development and growth.
Committed to excellence...
With best wishes.
S . Iqbal
( Motivator & Mentor)
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The document provides a summary of a physics exam for Oxford University consisting of 3 sections - multiple choice, written answers, and a long question. Section A contains 10 multiple choice questions on topics including kinematics, mechanics, orbits, and quantum mechanics. Section B requires written explanations for circuit diagrams and solving geometry problems using information about cubes and densities. Section C is a long question involving calculating the kinetic energy, velocity, acceleration, distance, and height reached over time for an electric toy car with constant power.
The Inaccessible distances: Application of trigonometry.pptx
The document provides examples of solving trigonometry word problems involving right triangles. In Example 1, it asks to find the height a ladder reaches up a building and how far the foot of the ladder is from the base when given the ladder length and angle it forms with the ground. In Example 2, it asks to find the length of a guy wire anchoring a telephone pole and the height of its attachment point when given the angle and distance of the anchor from the base. Example 3 asks similar questions about the length of kite string and distance to the point below the kite when given the kite's altitude and angle of the string. The document illustrates each scenario, identifies the known and missing information, uses trigonometric
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Adrianbillytrig
- 1. Pre-Calculus Mr. Blair Adrian Sinnott & Billy Arana Problems #3 and #16
- 3. Problem #3 diagram 68˚ h x 10.4m
- 4. Problem #3 Part A Calculations (a) Sin68˚= X ÷ 10.4 Sin68˚ • 10.4 = X X = 9.6 Solution: 9.8m up the building.
- 5. Problem #3 Part B Calculations (b) Cos68˚ = X ÷ 10.4 Cos68˚ • 10.4 = X X = 3.9 Solution: 3.9m from the wall.
- 6. Problem #3 Solution Diagram 68˚ 9.6m 3.9m 10.4m
- 8. Problem #16 Diagram 10˚ 40˚ h 1.5 miles x
- 9. (a) tan 10˚ = x÷1.5 tan 10˚ • 1.5 = x X = .26 Tan 50˚ = h÷1.5 tan 50˚ • 1.5 = h h = 1.79 H – x = 1.79 - .26 Solution: The shuttle travels 1.52 miles Problem #16 Part (a)calculations
- 10. (b) distance ÷ time 1.52 miles ÷ 10 seconds .152 Solution: the average speed the space shuttle during the 10 seconds is .152 miles per second Problem #16 Part (a)calculations
- 11. Problem #16 Diagram 10˚ 40˚ 1.55 miles 1.5 miles .26 miles