The acceleration of a particle moving only on a horizontal xy plane is given by d = 6tî + 7tj, where d is in meters per second-squared and tis in seconds. At t= 0, the position vector 7 = (15.0m)î + (35.0m)ĵ locates the paticle, which then has the velocity vector V = (6.40m/s)î + (3.30m/s)ĵ. At t = 5.60 s, what are (a) its position vector in unit-vector notation and %3D (b) the angle between its direction of travel and the positive direction of the x axis? (a) Number i j Units i (b) Number i Units

The acceleration of a particle moving only on a horizontal xy plane is given by d = 6tî + 7tj, where d is in meters per second-squared and tis in seconds. At t= 0, the position vector 7 = (15.0m)î + (35.0m)ĵ locates the paticle, which then has the velocity vector V = (6.40m/s)î + (3.30m/s)ĵ. At t = 5.60 s, what are (a) its position vector in unit-vector notation and %3D (b) the angle between its direction of travel and the positive direction of the x axis? (a) Number i j Units i (b) Number i Units

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter2: Vectors

Section: Chapter Questions

Problem 29P: A delivery man starts at the post office, chives 40 km north, then 20 km west, then 60 km northeast,...

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