(15) Given the following time-dependent position function: 7(t) = 3 ti-24t23, what will this object's %3D velocity be at t=5.0s?
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- If ů = (7,–6, 0) and i = (1, 1,0), find the length and direction of ủ x i and i x ū. Length of u x i is ... ... Direction of u xở is (If u X v does not have a direction, enter "none".) Length of i x ủ is Direction of ú xũ is (If i xủ does not have a direction, enter "none".)PlzP-3 Please help me with this problem very clearly with step by step explanation. Note: This problem is not very difficult if you remember to distinguish between the coordinate of the observation point and that of the integration.
- A particle travels along a curved path between two points A and B as shown. Complete the following statement: The displacement of the particle does not depend on A В (A) the shortest distance between A and B. (B) the direction of A from B. the location of A. (D) the distance traveled from A to B.a) What is the function expressing the altitude (vertical position) of the key if the altitude measured by GPS when you drop the key (at the top) is 1,500 m? b)If the key arrives at the bottom of the cliff with an (absolute) speed of 15.2 m/s, what is the height of the cliff (the difference between the altitude at the start and at the finish)?The position of an electron is given by 7 = 8.49tî – 5.75r2j + 1.68k, with t in seconds and 7 in meters. Att = 3.12 s, what are (a) the x-component, (b) the y-component, (c) the magnitude, and (d) the angle relative to the positive direction of the x axis, of the electron's velocity ů (give the angle in the range (-180°, 180°])? (a) Number Units (b) Number i Units (c) Number i Units (d) Number i Units > >