Lesson 2 Part 1

Question 1

Occasionally the ______________ can best be described along a path that can be expressed in terms of its x, y, z coordinates.

Answer 1

motion of a particle

Question 2

If a particle is at point (x, y, z) on the curved path, then its location is defined by the ___________

Answer 2

position vector

Question 3

The first-time derivative of r yields the ________ of the particle

Answer 3

velocity

Question 4

it represents the first-time derivatives of 𝑥 = 𝑥(𝑡), 𝑦 = 𝑦(𝑡), 𝑧 = 𝑧(𝑡), respectively.

Answer 4

The “dot” notation 𝑥̇, 𝑦̇, �

Question 5

The ___________ of the particle is obtained by taking the first-time derivative of velocity or the second time derivative of position (r).

Answer 5

acceleration

Question 6

sige

Answer 6

sige sige