2) The position of an object moving along an x-axis is given by x = 3t - 4t2 + t, where x is in meters and t is in seconds. Find the position of the object at the following values of t: (a) 1s, (b) 2s, (c) 3s, and (d) 4s. (e) What is the object's displacement between t = 0 and t = 4s? (f) What is the average velocity for the time interval from t =2s and t = 4s?

2) The position of an object moving along an x-axis is given by x = 3t - 4t2 + t, where x is in meters and t is in seconds. Find the position of the object at the following values of t: (a) 1s, (b) 2s, (c) 3s, and (d) 4s. (e) What is the object's displacement between t = 0 and t = 4s? (f) What is the average velocity for the time interval from t =2s and t = 4s?

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Vectors

Section: Chapter Questions

Problem 35AP: A person going for a walk follows the path shown in Figure P3.35. The total trip consists of four...

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Concept explainers

Relative Velocity

It is a measurement of an object with regards to the other object which is moving or stable or stationary. For example, if we are traveling in a bus and the bus is moving at speed of 50km/hr, then our speed is according to the nearby passenger on the bus is zero. According to them, we are not moving. But if one person standing on the ground or road observes us from outside of the bus, according to him we are moving at a speed of 50km/hr and the bus is also moving at a speed of 50km/hr. Now, the motion is recognized by the observer, it depends on a frame of reference or observer. This is motion called relative motion.

Question

2) The position of an object moving along an x-axis is given by x = 3t – 4t² + t³, where x is in
meters and t is in seconds. Find the position of the object at the following values of t: (a) 1s, (b)
2s, (c) 3s, and (d) 4s. (e) What is the object's displacement between t = 0 and t = 4s? (f) What is
the average velocity for the time interval from t =2s and t = 4s?

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