# 2 problems to solve

Anonymous
account_balance_wallet \$15

### Question Description

the problem 1 have two sections a & b, also the problem 2 .

I attached the picture for the two problems

screen_shot_2019_03_08_at_4.35.57_pm.png

### Unformatted Attachment Preview

evelynexquisitewriter
School: Boston College

Attached.

1

Practice Problems

Student name:
Institutional affiliation:

2

Practice Problems
The attached word document addresses the question “2 problems to solve” by answering the
following:
Question 1

Determine the velocity of the sphere for t=0, 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, and 0.35 s

Create a plot of velocity as function of time

Question 2
Plot the following functions on the same graph for time from 0 to 1 second using 0.02 second
interval:

1

Practice Problems

Student name:
Institutional affiliation:

2

Practice Problems
Practice Problems
Question 1
According to the question:
Sphere radius=0.2 cm, g=9.81 m/s2, k=0.0018 𝜌𝑎𝑙 = 2700 𝑘𝑔/𝑚3 and 𝜌𝑔𝑙 = 1260 𝑘𝑔/𝑚3.
Given that,
4

4

𝑆𝑝ℎ𝑒𝑟𝑒 𝑉𝑜𝑙𝑢𝑚𝑒 (𝑉) = 3 𝜋𝑟 3 = 3 𝑥 𝜋𝑥 (2 𝑥10−3 )3 = 3.35 𝑥 10−8 𝑚3.

𝑣(𝑡) = √
...

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Anonymous
Thank you! Reasonably priced given the quality not just of the tutors but the moderators too. They were helpful and accommodating given my needs.

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