I'm pretty sure the answer is either A or D
Answer:
<h3>Disadvantage</h3>
It changes the cultural standards of the neighborhood. ...
Gentrification can sometimes make a community poorer. ...
It raises the cost of rent when it happens. ...
Gentrification replaces the people who built the community. ...
It causes the rich to get richer, while the poor may or may not benefit.
<h3>Advantage </h3>
On the positive side, gentrification often leads to commercial development, improved economic opportunity, lower crime rates, and an increase in property values, which benefits existing homeowners.
Explanation:
hope it helps you
A) The calculated resistance needed to generate the current at low speed is; R = 480 ohms
B) Resistance at medium and larger speeds are;
At medium speed; R is less than that at low speed
At larger speed; R is less than that at medium speed.
A) We are given;
Voltage; V = 120 V
Current at lower speed; I = 0.25 A
Formula for resistance here is;
R = V/I
R = 120/0.25
R = 480 ohms
B) This means that if larger currents are required at higher speeds, it means that lower resistance would be required.
Similarly at medium currents the resistance will be lesser than that at lower speed but greater than that at larger speeds.
Read more on ohms law at; brainly.com/question/1220677
The acceleration of a different speck of dust is 40 m/s.
Since the radius is been given as double and angular velocity will be constant, we can calculate the centripetal acceleration as
a = (2r)ω²
If we substitute the given values of r= 2r , and ω²= 20m/s.
Then we have
Therefore, acceleration of a different speck of dust is 40 m/s.
<h3>What is centripetal acceleration?</h3>
centripetal acceleration can be regarded as acceleration of a body that is traversing a circular path.
CHECK THE COMPLETE QUESTIONS;
A speck of dust on a spinning dvd has a centripetal accelera- tion of 20 m/s2.
a. what is the acceleration of a different speck of dust that is twice as far from the center of the disk?
Learn more about centripetal acceleration at;
brainly.com/question/6217221
Answer:
A fact is an observation that is proven to be true, but in since there is a level of uncertainty. which means nothing is ever scientifically "true".
