Thursday
December 8, 2016

# Search: Physics-Need Help fast!

Number of results: 105,624

Hi, I need help. Does desertification come from Ancient China or Ancient Africa? Please I really need the help fast. Thanks so much!
June 4, 2015 by MusicLover14

math
i need to learn my multiplication tables at least up to 9 and i have to do it fast because i'm in 8th grade and i don't know what they are. how do i learn them fast??
December 29, 2011 by jordyn

math
i need to learn my multiplication tables at least up to 9 and i have to do it fast because i'm in 8th grade and i don't know what they are. how do i learn them fast??
December 29, 2011 by jordyn

Physics
How fast does a rocket need to be going to break free of Earth's gravity? How fast would it have to be going in order to completely leave the solar system? (For the second part of this problem, assume that the Sun is the only mass in the solar system and that the rocket is ...
September 29, 2011 by Kaitlyn

Physics
How fast does a rocket need to be going to break free of Earth's gravity? How fast would it have to be going in order to completely leave the solar system? (For the second part of this problem, assume that the Sun is the only mass in the solar system and that the rocket is ...
September 30, 2011 by Kaitlyn

PHYSICS
How fast is 65 mph in meters per seconds? (i just need the answer) thanks very much
October 17, 2010 by *Krista (its just a simple question on converting)

Bussiness
I am reasearching Fast Food companies in Australia. I need to know the amount of homegrown fast food companies in Australia and international fast food companies in australia. Please help, Thanks, Radella

college physics
How fast (in rpm) must a centrifuge rotate if a particle 9.50 cm from the axis of rotation is to experience an acceleration of 113000 g's? Need help please.
May 3, 2010 by peyton

Physics help
How fast would you need to be travelling relative to an observer in order for them to see a 15% increase in your mass? How do I rearrange the formula to solve for v m = n/sqrt(1-(v^2)/c^2))
May 31, 2016 by Ryback

PHYSICS
Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with these. Here is problem #3: A 30 kg kid on rollerskates is being pushed by his mom with a force of 10 ...
March 7, 2013 by Anna

physics
rollercoaste starts at 12m high with a v of 1.2m/s and climbs to 9.0m Assume the track is frictionless... a) how fast is it going when it reaches the low pointbetween the crestss. b)how fast is it going at the top of the secondcrest (9.0m) i have no idea which eq. to use..
February 17, 2008 by helppppp

algebra
need helo solving this Equate y=-4 to y=mx+b. What is the value for m so that these equations are equivalent I need a fast response on how to solve this problem can someone help please?
March 30, 2012 by misty

physics
A car starting at x = 49 m accelerates from rest at a constant rate of 8.0 m/s2. (a) How fast is it going after 10 s? (b) How far has it gone (from x = 0) after 10 s? (c) What is its average velocity for the interval 0 t 10 s? NEED HELP!!!
August 27, 2012 by Lulu

physics
Harry says acceleration is how fast you go. Carol says acceleration is how fast you get fast. They look to you for confirmation. Who is correct? 1. Neither is correct. 2. Harry is correct. 3. They are both correct in different as- pects. 4. Carol is correct. 5. It cannot be ...
September 24, 2011 by PHYSICS!!!

Calculus Related Rates
A balloon, 50 feet from an observer, is rising at 20 ft/sec. At 5 seconds after lift off 1. How fast is the distance between the observer and the balloon changing? 2. How fast is the angle of elevation changing? I need help on both questions. Thanks in advance smart people!!
March 14, 2016 by Sally

physics
You are watching an archery tournament when you start wondering how fast an arrow is shot from the bow. Remembering your physics, you ask one of the archers to shoot an arrow parallel to the ground. You find the arrow stuck in the ground 50.0 m away, making a 2.00degrees angle...
October 20, 2010 by sagi

physics
Two neutron stars are seperated by a distance of 10^14 m. They each have a mass of 10^30 kg and a radius of 10^5 m. They are initiall at rest with respect to each other. How fast are they moving when their seperation has decreased to one-half its initial value? How fast are ...
March 16, 2008 by kristen

Physics
1. if a 0.05kg coin is hanging from 22m above the ground: a. If you drop it, how fast will the coin be moving halfway to the ground? b. How fast will it be moving just before it hits the ground? If you could point me the right direction with equations that would be great. I ...
June 28, 2011 by Tina

physics
You are watching an archery tournament when you start wondering how fast an arrow is shot from the bow. Remembering your physics, you ask one of the archers to shoot an arrow parallel to the ground. Unfortunately the archer stands on an elevated platform of unknown height. ...
November 16, 2010 by bobjahng2

physics
You are watching an archery tournament when you start wondering how fast an arrow is shot from the bow. Remembering your physics, you ask one of the archers to shoot an arrow parallel to the ground. Unfortunately the archer stands on an elevated platform of unknown height. ...
November 17, 2010 by alejandrob

Physics Ap
A flower pot falls from a windsill 30 meters above the sidewalk. How fast is it going when it hits the ground? How long does it take to reach the ground? How fast would it be going if it was thrown down at 8m/s instead?
September 8, 2016 by Jake

physics
A race car accelerates from rest at 5.7m/s squared. how fast will it be going at the end of that time? i need the abc method...( a-all variables, unknown 1st...b-right formula and algebraically rearrange it..c- solve it0
October 20, 2009 by c

Pre-Calc ... need help fast
I need help writing an equation for a Sine Wave... I have 3 coordinates, but I can't get the eq. right... (4, 25), (7, 83), (10, 25). If anyone can help, I will be more than grategull. My group bailed on me. \m/ 25 is the lowpoint and 83 is the high point. Thanks to anyone who...
December 6, 2006 by Anna

physics
While racing on a flat track, a car rounds a curve of 56 m radius and instantaneously experiences a centripetal acceleration of 36 m/s2. How fast was the car going? I know the answer i s45 I just need to know why ASAP!!!!!!!!!!!!!!!!!!!!
January 12, 2012 by Katelynn S

Calc
A balloon, 50 feet from an observer is rising at 20 ft/sec. At 5 sec after lift off, a)how fast is the distance between the observer and the balloon changing? b)How fast is the angle of elevation changing. I just need to know what formals to use. I know the first part requires...
March 16, 2015 by Ryan kustin

Precalculus help fast
a farmer has available 1032 feet of fencing and wishes to enclose a rectangular area. If x represents the width of the rectangle for what value of x is the area the largest A) 256.5 feet b) 258 feet c) 256 feet d) 257 feet please show work! i need help fast
March 29, 2010 by Arielt

eng- need it fast plz
need a word that has all these letters d, l, b, a , e, e, n, b plz been stuck for a while grade 2
October 19, 2009 by nany

physics
How fast do you need to swing a 180-g ball at the end of a string in a horizontal circle of 0.6-m radius so that the string makes a 33∘ angle relative to the horizontal?
February 9, 2015 by Nathan

Physics
How fast do you need to swing a 180-g ball at the end of a string in a horizontal circle of 0.6-m radius so that the string makes a 35∘ angle relative to the horizontal?

Physics
How fast do you need to swing a 190-g ball at the end of a string in a horizontal circle of 0.6-m radius so that the string makes a 30 degree angle relative to the horizontal?
February 12, 2015 by Derp

physics
How fast do you need to swing a 180-g ball at the end of a string in a horizontal circle of 0.6-m radius so that the string makes a 35∘ angle relative to the horizontal?

soical studes
i need help unscrambling puritans social studies letters like pitunsa crchhc and that equals to puritan church. PLEASE NEED HELP FAST this is due wen.feb.16 2011
February 14, 2011 by juliz

physics
How would I find the acceleration of a car if it traveled 1.5 meters in one second? If it is accelerating at a constant rate with zero initial velocity, then use the formula X = (1/2) a t^2 and solve for the acceleration, a. X = 1.5 m, and t = 1 s. It could be not accelerating...
September 22, 2006 by anonymous

Physics
A car enters the freeway with a speed of 7.2 m/s south and accelerates uniformly for 4.2 km in 4.0 min. How fast (in m/s) is the car moving after this time? I only need the formula. My teacher gave us a list but did not tell the class which equation is for which. Help please.
September 23, 2014 by Selena

help fast i need help with a bunsh
5:15 and x:3 a.5 b.3 c.1
January 15, 2016 by shynice

Debate
I need help finding a good article for my essay. I need to address the issue that fast food restaurants now serve healthy alternatives, and that it can be good for ebt holders.
March 20, 2015 by Josh

Math--need help fast
If the radius of a circle is x/6, what's the diameter and circumference? Diameter = 2*r Circumference = 2*pi*r ...or... Circumference = pi*d Note: I'm using * to mean multiply. Can you now determine what you need to know with this information? Not really. I just need to know ...
March 7, 2007 by Emily

Drivers Education
Most of the time, it is safe to drive... A- a little faster than the speed limit B- about as fast as the traffic around you C- as fast as the car in front of you D- as fast as you think it is safe I think that the answer is B, but the book doesn't have any of these options so ...
June 27, 2016 by queen b

Physics-Need Help fast!
Two converging lenses, each of focal length 15.1 cm, are placed 40.2 cm apart, and an object is placed 30.0 cm in front of the first lens. Where is the final image formed? The image is located... What is the magnification of the system? M =
August 1, 2011 by Megan

physics
Assume that the pitch of a honking car horn is the F above middle C (f F= 349 Hz) and the speed of sound in air is 770 mph. How fast would a honking car need to be approaching you for you to hear a G (fG = 392) instead of an F?
February 17, 2014 by Anonymous

Science
How do these rank in momentum 1 being least and the most 5 Fast car, stopped truck, slow car, Fast baseball, Fast feather I have 1. Stopped truck
March 28, 2012 by Mary

PHYSICS
Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with these. Here is problem #1: A skier with a mass of 60.0 kg is standing at the top of a snow covered ...
March 7, 2013 by Anna

NEED HELP FAST!!!-SCIENCE
wat is air??
November 9, 2008 by Anonymous

I NEED HELP AND FAST!
can anyone help me on finding slopes of a line?
February 11, 2009 by anonymous

physics ( help FAST)
Which could potentially cause you the greater injury: being tackled by a lightweight, fast moving rugby league player or being tackled by a player with double the mass but moving at half the speed? Explain your answer
April 26, 2011 by H.T

Physics
ou build a loop-the-loop in your backyard. It has a diameter of 3.10 m. a) How fast will you have to be moving at the top of the loop to avoid falling off? b)If you'll be coasting from the time you get to the bottom of the loop, how fast will you have to be going at the bottom?
December 5, 2016 by Mary

Physics
You build a loop-the-loop in your backyard. It has a diameter of 3.10 m. a) How fast will you have to be moving at the top of the loop to avoid falling off? The answer I got was 3.90 m/s. Is this correct? b)If you'll be coasting from the time you get to the bottom of the loop...
December 3, 2016 by Susan

math-need fast
solve by substitution method x^2=y^2+39 x-y=3
February 26, 2009 by anonymous

Mathmatics
i need help with my simple interest homework fast.
March 4, 2009 by Anonymous

Physics
A car drives over a hump in the road. The radius of the (circular) hump is 45m. How fast (m/s) would the car need to travel, so that the wheels just barely lose contact with the road?
May 25, 2015 by Kaitlyn

physics
You are watching an archery tournament when you start wondering how fast an arrow is shot from the bow. Remembering your physics, you ask one of the archers to shoot an arrow parallel to the ground. Unfortunately the archer stands on an elevated platform of unknown height. ...
November 17, 2010 by michaelJ

PHYSICS NEED HELP FAST
someone spinns with an angular velocity of 4.55rad/s with arms held out. his rotational inertia is 2.7kgm^2. whn the he pulls his arms in his angular velocity increases to 7.60rad/s. what is his rotary ek?
January 27, 2011 by ricki

social studies
i need help with a U.S history question, how would i describe Roanoke? its an 8th grade U.S history question i need it FAST!!!
September 5, 2011 by sam

Physics
When a rattlesnake strikes, its head accelerates from rest to a speed of 30 m/s in 0.64 s seconds. Assume for simplicity that the only moving part of the snake is its head of mass 100 g. How much (average) power does the rat- tlesnake need to accelerate its head that fast? ...
February 27, 2011 by Mike

August 26, 2007 by ashley

ap physics
When a rattlesnake strikes, its head acceler- ates from rest to a speed of 21 m/s in 0.46 s seconds. Assume for simplicity that the only moving part of the snake is its head of mass 200 g. How much (average) power does the rat- tlesnake need to accelerate its head that fast? ...
February 25, 2011 by anna

PHYSICS NEED HELP FAST
someone swings down pendulem and rescue the lady in distress by grabbing her. inelastic collision at the equallibrium point o fthe pendulem. his mass is 90kg her mass is 50kg. what is the masimum height of the oppsite legde that he. he is standing on a 10m edge
January 27, 2011 by ricki

physics
Suppose that a senior driving a Pontiac zooms out of a darkened tunnel at 39.4 m/s. She is momentarily blinded by the sunshine. When she recovers, she sees that she is fast overtaking a camper ahead in her lane moving at the slower speed of 12.9 m/s. She hits the brakes as ...
October 11, 2012 by Anonymous

physics
Suppose that a senior driving a Pontiac zooms out of a darkened tunnel at 31.0 m/s. She is momentarily blinded by the sunshine. When she recovers, she sees that she is fast overtaking a bus ahead in her lane moving at the slower speed of 15.7 m/s. She hits the brakes as fast ...
September 17, 2013 by Sue

Physics
Suppose that a woman driving a Mercedes zooms out of a darkened tunnel at 33.9 m/s. She is momentarily blinded by the sunshine. When she recovers, she sees that she is fast overtaking a bus ahead in her lane moving at the slower speed of 12.0 m/s. She hits the brakes as fast ...

Physics, HELP
AN auto, moving too fast on a horizontal stretch of mountain road, slides off the road, falling into deep snow 43.9 meters below the road and 87.7 meters beyond the edge of the road. a. How long did the auto take to fall? b. How fast was it going when it left the road?
December 12, 2013 by sydney

physics
an auto, moving too fast on a horizontal stretch of mountain road, slides off the road, falling into deep snow 43.9 meters below the road and 87.7 meters beyond the edge of the road. a. How long did the auto take to fall? b. How fast was it going when it left the road?
December 12, 2013 by tina

Physics
When a rattlesnake strikes, its head accelerates from rest to a speed of 26 m/s in 0.3 s seconds. Assume for simplicity that the only moving part of the snake is its head of mass 100 g. How much (average) power does the rattlesnake need to accelerate its head that fast? Answer...
December 11, 2011 by Angel

Physics
When a rattlesnake strikes, its head accelerates from rest to a speed of 25 m/s in 0.44 seconds. Assume for simplicity that the only moving part of the snake is its head of mass 100 g. How much (average) power does the rattlesnake need to accelerate its head that fast? Answer ...
February 20, 2013 by dallas

help fast fast
November 25, 2015 by shynice

english
I need help on analyzing the poem, "you are reading this too fast" by Ken Norris
January 11, 2011 by Dick

english
I need a newpaper report about twelth night and fast
May 9, 2012 by Anonymous

math
1/2x^2=x/4+1 how can i solve that with quadratic formula?plz i need the solution fast.
January 28, 2013 by Riana

science (Need FAST FEEDBACK!!!)
Is a density bottle the same as a pycnometer?
October 26, 2014 by Daniel

I really need help!
Hi, I really need instructions. Can someone please tell me how to make a coordinate plane and a rectangle on the plane in Microsoft Excel 2013 please? I really I need an answer soon because this is due today!!!! Please someone help fast! Thank You :/
April 24, 2015 by MusicLover14

Physics
A car is traveling at 14 m/s. How fast would the car need to go to double its kinetic energy? By what factor does the car's kinetic energy increase if its speed is doubled to 28 m/s? We only get 3 chances and I'm on my last one before I get the question wrong, help?
August 8, 2011 by falcon306

algebra
Use a proportion Fast food. If four out of five doctors prefer fast food, then at a convention of 445 doctors, how many prefer fast food?
July 17, 2009 by Sandra

physics
The string in the Figure is L = 135.0 cm long and the distance d to the fixed peg P is 94.5 cm. When the ball is released from rest in the position shown, it will swing along the dashed arc. How fast will it be going when it reaches the lowest point in its swing? How fast will...
February 22, 2012 by Katie

Chemistry- need fast help! Thanks
2 H2O (l) → 2 H2 (g) + O2 (g) What volume of water in gallons would need to be split to store the same amount of energy as found in 10.0 gallons of gasoline? (Gasoline contains 44.4 MJ/kg, or 32.0 MJ/L, and has a density of 0.72 g/mL where 1 L = 0.2641775 gal). Include ...
November 5, 2010 by John

geometry
i need help really fast on doing, a stage five 'Ice Triangle'.....or itteration .. thank's
March 15, 2010 by Adela Montie

Math
How do I convert a percent WITH a repeating decimal to a fraction?! I need fast help plz!!
March 29, 2010 by Austin

MATH
1 6x+7=25;3 2 22-5c=8;3 3 b\4-7=1;36 4 7a+4_>20;2.7 ps. the arrow is suppose to be on top of the line. 5 4y-3.12;4 6 m\3+14<33;9 I NEED THE ANSWERS PLEASE CAN ANYBODY HELP ME FAST .
September 28, 2010 by JeSsica

i have a report on william clark due it 2days i need help. FAST!
January 9, 2011 by spencer

health
i also need the names of the different fast food so i can research there ingrdients. thank you
February 1, 2011 by grade 5

Math (Need help FAST!)
Determine if two ratios are equivalent Complete using < > = 5/20 [ ] 4/10 How did YOU do it?
September 19, 2012 by Savanna

math
write the function x-y=4 in explicit form. Please i need a fast answer
May 12, 2016 by Shuki

Math
write the function 6^x-y=4 in explicit form. Please i need an answer fast. thank you
May 12, 2016 by teta

The story is "Trouble With Television" It has become fashionable to think that, like fast food, fast ideas are the way to get to a fast-moving, impatient public. How does the repetition in the sentence convey the author's negative attitude toward television. I think that it ...
December 7, 2016 by Sean

physics
A projectile launched straight upward at 141 m/s. How fast is it moving at the top of its trajectory? Suppose it is launched upward at 45° above the horizontal plane. How fast is it moving at the top of its curved trajectory?
October 31, 2013 by Jessica

algebra
Fast food. If four out of five doctors prefer fast food, then at a convention of 445 doctors, how many prefer fast food? 4/5=x/445 5x=1780 x=356 please check if completed right
July 18, 2009 by Sandra

Chemistry
The reaction 2NO(g) + 2H2(g) N2(g) + 2H2O(g) goes twice as fast when the concentration of H2 is doubled but four times as fast when the concentration of NO is doubled. What is the overall reaction order? I did it like this: k[NO]^m[H2]^n 2r=[H2]^n, meaning that the order for ...
September 23, 2015 by Jim

physics
You throw a 1kg ball out of a window 12 meters above the ground with horizontal speed. It lands on the ground 5 meters from the building after 1 second. Ignore air resistance, A) How fast did you throw the ball? B) What was the ball's initial velocity? C) How fast was it ...
December 13, 2011 by Geraldo

physics
You throw a 1kg ball out of a window 12 meters above the ground with horizontal speed. It lands on the ground 5 meters from the building after 1 second. Ignore air resistance, A) How fast did you throw the ball? B) What was the ball's initial velocity? C) How fast was it ...
December 13, 2011 by Geraldo

physics
You throw a 1kg ball out of a window 12 meters above the ground with horizontal speed. It lands on the ground 5 meters from the building after 1 second. Ignore air resistance, A) How fast did you throw the ball? B) What was the ball's initial velocity? C) How fast was it ...
December 13, 2011 by Geraldo

PHYSICS NEED HELP FAST
A 5kg bullet fired from a gun at 725m/s becomes embedded in a .50kg block of wood that is free to move along a surface and the coefficient of friction .355 between the surface and block of wood. find the distance it slides acroos the table.
January 27, 2011 by ricki

PHYSICS NEED HELP FAST
A 5kg bullet fired from a gun at 725m/s becomes embedded in a .50kg block of wood that is free to move along a surface and the coefficient of friction .355 between the surface and block of wood. find the distance it slides acroos the table
January 27, 2011 by ricki

PHYSICS NEED HELP FAST
A 5kg bullet fired from a gun at 725m/s becomes embedded in a .50kg block of wood that is free to move along a surface and the coefficient of friction .355 between the surface and block of wood. find the distance it slides acroos the table.
January 27, 2011 by ricki

physics. need help fast
A 5kg bullet fired from a gun at 725m/s becomes embedded in a .50kg block of wood that is free to move along a surface and the coefficient of friction .355 between the surface and block of wood. find the distance it slides acroos the table.
January 27, 2011 by ricki

Hi, I need help because I'm really stuck on this math word. Can someone please define what rational coordinates means what? I really need help fast because this project is due today! Thank You :)
April 24, 2015 by MusicLover14

I have a science essay on the rainforest due tommorow. Need help fast!!!!
October 28, 2010 by Sian

Intergated chemistry/physics
Your teacher bumps into you in the hallway and knocks you down. After he apologizes, he asks you to figure out how fast he was going. By some magical coincidence, you just happened to be wearing a gauge that measured your mass to be 75 kilograms and your speed to be 25 miles ...
October 4, 2012 by Laura

PHYSICS
Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with these. Here is problem #7: A 30 kg ball is launched at an angle of 15 degrees and is moving 20 m/s ...
March 7, 2013 by Anna

english
My trip to the dentist was not fun and was not fast either. not fun, but not fast. neither fun nor fast. <-- either fun nor fast, but both. The increase in taxes are sure to make many voters angry with the politicians they elected. An increase in taxes is sure to make <...
October 16, 2015 by Qua

physics
Suppose I throw a ball straight up at an initial speed of 10 m/s. Suppose I'm 2 meters tall (about 6 feet) and the ball leaves my hand at 2 meters from the ground. How fast is it going at its highest point? How fast is it going on its way back down at 2 meters above the ground...
September 21, 2010 by Sarah

physics
When you try to walk too fast on a slippery floor, you slip because walking fast requires you to exert a greater frictional force against the floor than the surface allows. What is the maximum frictional force you can exert against the floor with one foot that bears your full ...
February 7, 2011 by Anonymous

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