User Account

All Pages

Downward-directed electric field of the earth

Assignment Help Biology
Reference no: EM131070406

A water droplet of radius 0.020 mm remains stationary in the air.If the downward-directed electric field of the Earth is 150 N/C, how many excess electron charges must the water droplet have? Express your answer using two significant figures.

Reference no: EM131070406

Questions Cloud

Torque acting on the cylinder : A 60.0 kg uniform solid cylinder has a radius of 0.443 m.If the cylinder accelerates at 5.90 ×10-2 rad/s2 as it rotates about an axis through its center, how large is the torque acting on the cylinder? Answer in units of N · m.
Revolving door with a tangential speed : A woman passes through a revolving door with a tangential speed of 1.0 m/s.If she is 0.65 m from the center of the door, what is the door's angular speed? Answer in units of rad/s.
Determining the angular acceleration : A machine part rotates at an angular speed of 0.24 rad/s; its speed is then increased to 2.06 rad/s using an angular acceleration of 0.49 rad/s2. Find the angle through which the part rotates before reaching this final speed. Answer in units of ra..
Find the magnitude and direction of its momentum : A compact car, with mass 725 kg, is moving at 115 km/h toward the east. Sketch the moving car. a. Find the magnitude and direction of its momentum.
Downward-directed electric field of the earth : A water droplet of radius 0.020 mm remains stationary in the air.If the downward-directed electric field of the Earth is 150 N/C, how many excess electron charges must the water droplet have? Express your answer using two significant figures.
Magnitude of initial angular acceleration of rod : What is the magnitude of the initial angular acceleration of the rod? The acceleration of gravity is 9.8 m/s2. Answer in units of rad/s2.
Angular velocity of the merry-go-round : The merry-go-round rotates with an angular velocity of 1.6 rad/s.The child then walks towards the center of the merry-go-round and stops at a distance 0.72 m from the center. Now what is the angular velocity of the merry-go-round?Answer in units o..
Linear acceleration of the falling bucket : The bucket starts from rest and falls for 4.2 s. What is the linear acceleration of the falling bucket? The acceleration of gravity is 9.8 m/s2. Answer in units of m/s2.
Explain what you did in the program to reverse the display : Explain what you did in the program to reverse the display of the bar graph, making the bar graph illuminate with the LEDS on and turning off as you dimmed the light.

Reviews

Write a Review

Biology Questions & Answers

  Q1 a 25 yr old male is brought into the er with severe

q1. a 25 yr. old male is brought into the er with severe burns to his face and chest after a gasoline explosion. the er

  Estimate the wall stress

Normal dimensions of the human heart for a live persons can be determined noninvasively using magnetic resonance imaging (MRI) or two dimensional echocardiography (2DE). (S.Kaul, et al., Measurement of normal left heart dimensions using optimally ..

  Acceleration

Acceleration: A driver is traveling eastward on adirt road when she spots a pothole ahead. She slows her car from 14m/s to 5.5 m/s in 6.0s. What is the car's acceleration?

  What is bod and how is it determined

What is BOD and how is it determined. Dr. Haxton told one of his students, "To move in the bloodstream, fats need the help of phospholipids." What will a good student say.

  Determine frequency of cf in the population

A groom's sister has CF, an autosomal recessive disease, though he himself does not have nor do either of his parents. He is marrying a woman with no family history of CF.

  How do the viral glycoproteins get to the plasma membrane

In an HIV-infected cell producing HIV virus particles, the viral glycoprotein is expressed on the plasma membrane. How do the viral glycoproteins get to the plasma membrane?

  Predator-prey graph tracks

Problem 1: This predator-prey graph tracks the wolf and moose populations in a certain ecosystem over the past hundred years. What is most likely the carrying capacity for moose in this ecosystem?

  Construct a map of the genes

In a test cross of a femal drosophila heterozygous for three linked, recessive genes, the following phenotypes of progeny were obtained.

  Difference between the organelles in a eukaryotic cell

Your text describes the difference between the organelles in a eukaryotic cell and the more simple structure of a prokaryotic cell as an analogy between the chief executive officer's (CEO's) corner office and a cubicle

  Estimating the number of visible stars in the night sky

Describe the differences in appearance among the three spectra - what feature of the light source do the spectra represent? In other words, what is it that you are actually analyzing?

  A linear plasmid contains two nonoverlapping genes

A linear plasmid contains two nonoverlapping genes that aretranscribed in opposite directions, each from the end toward thecenter of the plasmid.

  Identify the behavioural changes among the species

Identify the behavioural changes among the species. Vigilance - PRE and POST- APPERARNACE OF THE PRETDATOR

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd