An object moves through in the horizontal xy plane with a position vector given by 7 = (-bt³ + b2t)î + (cıt² – c2t + c3)î Assume that b1, b2, c1, c2, and cz are positive constants. Which of the following statements must be true? [There may be more than one correct answer] The object's initial acceleration is zero The object never changes direction. The object is initially located at the origin. The object's initial velocity is directed in the 4th quadrant. As time passes, the object's acceleration is directed in the 2nd quadrant.
An object moves through in the horizontal xy plane with a position vector given by 7 = (-bt³ + b2t)î + (cıt² – c2t + c3)î Assume that b1, b2, c1, c2, and cz are positive constants. Which of the following statements must be true? [There may be more than one correct answer] The object's initial acceleration is zero The object never changes direction. The object is initially located at the origin. The object's initial velocity is directed in the 4th quadrant. As time passes, the object's acceleration is directed in the 2nd quadrant.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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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Step 1
Position function:
- Initially object is not located on the origin
Acceleration of an object:
From the acceleration function of an object, we can say that object
- Initial acceleration of an object is not Zero
- As the time passes, acceleration of an object is directed in second quadrant
As the time passes, Direction of r vector is changing.
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