A jet plane is flying at a constant altitude. At time t1 = 0 it has components of velocity vx = 90 m/s, vy = 110 m/s. At time t2 = 30.0 s the components are vx = -170 m/s, vy = 40 m/s. (a) Sketch the velocity vectors at t1 and t2. How do these two vec- tors differ? For this time interval calculate (b) the components of the average acceleration, and © the magnitude and direction of the average acceleration.

Two plane mirrors intersect at right angles. A laser beam strikes the first of them at a point 11.5 from their point of intersection, as shown in the figure For what angle of incidence at the first mirror will this ray strike the midpoint of the second mirror (which is 28.0 long) after reflecting from the first mirror?

Video tutorial on Identity, (Contradiction), or Conditional Equation *Precalculus: Linear Equations* - 1.1 .

In this video from JJ the Tutor we are looking at maths and physics problems and examples.

Submit your problem for Jonathan to create a lesson- https://falserealitypublishing.com/submit Question [textbook: https://amzn.to/3Y3CK9a] [1.1] Solve each system in Exercises 1–4 by using elementary row operations on the equations or on the augmented matrix. Follow the systematic elimination procedure described in this section. x_1 + 5x_2 = 7 and -2x_1 – 7x_2 = -5 Written by Author Jonathan David | A False Reality Publishing Production | © 2024 Disclaimer: Author Jonathan David and False Reality Publishing is not associated with David C. Lay, the University of Maryland—College Park with Steven R. Lay Lee University, and Judi J. McDonald Washington State University or PEARSON. Jonathan’s goal is to provide lessons for students who desire an in-depth understanding of modern problem-solving skills and to market his private tutoring services. All work is original. Images are taken from the textbook and are used for reference in theorems, definitions, and formulas.

Video tutorial on Vectors in Physics, Magnitudes, Addition, Subtraction, College Physics .

In this video presentation from JJ the Tutor we look at what is the span of a matrix and what is the subset of a matrix.

JJtheTutor Video Tutorial: In this video we solve the linear function (2x+1)/3+16=3x

JJtheTutor Video Tutorial: In this video we investigate how to find the value of Y at a given value x on a graphic calculator.

Video tutorial on how to shade graphs on a TI-83/84

Video tutorial on The identity() operation for matrices on TI-84 - A shortcut to generating a nxn identity matrix .

In this video presentation from JJ the Tutor we look at how to calculate proper and improper fractions on a ti - 83 or ti 84 calculator

In this video presentation from JJ the Tutor we look at how to make functions graph at the same time or one after the other on a ti-83/84 calculator

JJtheTutor Video Tutorial: choose h and k such that the system has (a) no solution, (b) a unique solution, and (c) many solutions. Give separate answers for each part.

In this video presentation from JJ the Tutor we look at finding the matrix A given the eigenvalues and eigenvectors.

Find values of m so that the function y=x^m is a solution of the given differential equation.

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Step-by-Step Solutions and Formula Guides for Common Calculus Exam Questions: Precalculus, Differential Calculus, and Integral Calculus.