3ti + 4t, where a is in meters per second-The acceleration of a particle moving only on a horizontal xy plane is given by asquared and t is in seconds. At t = 0, the position vector = (17.0m)î + (42.0m) ĵ locates the paticle, which then has the velocityvector(6.00m/s)î + (2.50m/s) ĵ. At t = 4.60 s, what are (a) its position vector in unit-vector notation and (b) the angle betweenits direction of travel and the positive direction of the x axis? A projectile is fired horizontally from a gun that is 53.0 m above flat ground, emerging from the gun with a speed of 220 m/s. (a) Howlong does the projectile remain in the air? (b) At what horizontal distance from the firing point does it strike the ground? (c) What is themagnitude of the vertical component of its velocity as it strikes the ground?

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The acceleration of a particle moving only on a horizontal xy plane is given by a = squared and t is in seconds. At t = 0, the position vector 7 = (17.0m)i + (42.0m) locates the paticle, which then has the velocity 3ti + 4t, where a is in meters per second- vector (6.00m/s) +(250m/s) Att=460s what are (a) its position vector in unit-vector notation and (b) the angle between

The acceleration of a particle moving only on a horizontal xy plane is given by a = squared and t is in seconds. At t = 0, the position vector 7 = (17.0m)i + (42.0m) locates the paticle, which then has the velocity 3ti + 4t, where a is in meters per second- vector (6.00m/s) +(250m/s) Att=460s what are (a) its position vector in unit-vector notation and (b) the angle between

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Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

3ti + 4t, where a is in meters per second-
The acceleration of a particle moving only on a horizontal xy plane is given by a
squared and t is in seconds. At t = 0, the position vector = (17.0m)î + (42.0m) ĵ locates the paticle, which then has the velocity
vector
(6.00m/s)î + (2.50m/s) ĵ. At t = 4.60 s, what are (a) its position vector in unit-vector notation and (b) the angle between
its direction of travel and the positive direction of the x axis?

A projectile is fired horizontally from a gun that is 53.0 m above flat ground, emerging from the gun with a speed of 220 m/s. (a) How
long does the projectile remain in the air? (b) At what horizontal distance from the firing point does it strike the ground? (c) What is the
magnitude of the vertical component of its velocity as it strikes the ground?

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