Question

The components of the position of a body as a function of time are given by:
x = 5t + 4t^2

, y = 3t^2+2t^3
, z = 3t+2t^2 + 5t^3
where x and y are in meters and t is in
seconds. What is the velocity vector as a function of time? What is the acceleration
vector as a function of time? What is the speed at t = 2.0 s?

Answer 1

Explanation:

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In physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity.