Solution to problem 7.2.9 from the collection of Kepe O.E.

Problem 7.2.9 is formulated as follows: determine the x coordinate of the point at time t = 1 s, if at to = 0 the coordinate xo = 0, provided that the projection of the point’s velocity is vx = 2 cos ?t. The answer to this problem is 0.

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This product is a beautifully designed solution to problem 7.2.9 from the collection of Kepe O.?. The problem requires determining the x coordinate of a point at time t = 1 s, if at to = 0 the coordinate xо = 0 and the projection of the point’s velocity is vx = 2 cos ?t. This digital product provides a detailed description of the solution to the problem, which is carried out taking into account all the rules and requirements. The product description is in HTML format, which ensures maximum readability on any device. We are confident that this solution will help you better understand the material and successfully solve the problem. The answer to the problem is 0. Buy our digital product and enjoy simplicity and ease of use!

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Problem 7.2.9 from the collection of Kepe O.?. consists in determining the x coordinate of a point at time t=1s, provided that when to=0 the coordinate xо=0. To solve this problem, it is necessary to determine the projection of the velocity of the point vx, which is given by the formula vx = 2 cos ?t. After this, you can use the formula to calculate the coordinates of point x, which has the form x = xо + vt, where v is the speed of the point, t is the time elapsed since to. In this case, since the x coordinate of the point is initially equal to 0, the desired x coordinate will be equal to the product of the velocity projection and time, that is, x = vx * t. Substituting the values, we get x = 2*cos(?1) = 2cos(?), which gives the answer 0, since at the value ?=π/2 the cosine is equal to zero.

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