Practice Problem 3.1 plane, and you place 8.0 m) For the Sime intorval from ti t

Question

Practice Problem 3.1 plane, and you place 8.0 m) For the Sime intorval from ti to ta, find (a) the averaoe velocity of the car and ibl the how long you make it, its magnitede will be angle 8 we have 6.0 @mtan.1:.:-tan'i Un/>53° 0 s tan m)-that is, 50 m (found using Pythagoras's theorem) divided by tve lime interval (0.5 Ax Siroe the director, of t.ar is the same as the drechon ofthodeplacement ,loween 9.wo pens, we can cakalah. 4.0 70 9-tan-12-tan-140m=53. REFLECT Be sure you understand the relationship between the two solutions to part do) ithe frt we MacBook Pro

Explanation / Answer

partA] x component of average velocity = [4-7]/[2.9-2] = -3.33 m/s

partB] y component of average velocity = [2-6]/0.9 = -4.44 m/s

partC] magnitude = sqrt(3.33^2+4.44^2) = 5.56 m/s

partD] angle = 180+53 = 233 degree above x axis

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