Three videos include 1. A mass on a spring 2. A bicycle in motion 3. Two carts m

Question

Three videos include

1.  A mass on a spring

2. A bicycle in motion

3. Two carts moving left to right

(a) Which of these four objects [Upper Fan Cart, Lower Cart, Mass on a Spring, and/or Bicycle], if any, have a constant velocity? Cite the evidence for your conclusions.

(b) Which of the four objects, if any, move at a non-zero constant acceleration? Cite the evidence for your conclusion.

(c) Which of these four objects, if any, have neither a constant velocity or a constant acceleration? Cite the evidence for your conclusions.

(d) The kinematic equations are very useful for describing motions. Which of the four motions, if any, cannot be described using these kinematic equations? Explain the reasons for your answer.

Explanation / Answer

a. upper fan cart

b. lower cart

c. A mass on a spring

d.A mass on a spring and Two carts

e. lower cart moving left to right

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