In complete Energy of a Bouncing Ball order to the lab in a timely manner, you w

Question

In complete Energy of a Bouncing Ball order to the lab in a timely manner, you will be assigned conceptual questions to answer or some parts of the lab activities to complete as homework BEFORE ATTENDING LAB. There is enough information in the introduction to answer the conceptual questions regardless if you have discussed the topic in class. Below is a printable copy of the Pre-Lab Assignment for you to read and use to answer the questions, however the online version is the only one that will be graded. The Pre-Lab Assignment Online Quiz will close at the start of your lab time. Note: You are required to complete Activity 1 before you arrive at lab (Questions 1 and 2). We are going to start lab directly on Activity 2. Pre-Lab Q1: Conceptual understanding of the energy of a bouncing ball To the right is a diagram of a ball falling, showing 00 the instant it is released, 1) the instant it is half way to the floor, 2) the instant it is three quarters of the way to the floor, 3) the instant it touches the floor on the way down, and 4) the instant it leaves the floor (still barely touching the floor) on the way up. Draw velocity vectors on your diagram at each of the five I) instants to answer the following questions. a. How is the magnitude of vo related to vi?(speed only) i.. vi vo h ii. v1 vo. b. How is the magnitude of related to va? i.. v4 v3 ii, v4, va

Explanation / Answer

answer 1:

(a) zero

(b) v4 > v3

Answer 2:

in this case the sum of kinetic energy and potential energy always equal to constant, when particle fall off then at the highest point potential energy will be maximum and kinetic energy will be zero. in the lowest point it will be the vice versa. so

(a) Zero.

(b) maximum.

(c) increasing

(d) decreasing

(e) maximum

(f) zero

Anaswer 3:

always c is correct

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