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September 17, 2014

Search: speed

Number of results: 19,796

Physics
Your dog has been diagnosed with a terminal illness for which there is no cure. The Veterinarian expects that it will live for 1 year before it succumbs to the condition. You have the idea that if you could keep the dog alive a little longer, a cure might be found. You decide ...
January 22, 2010 by Jon

Physics
3. Its fourth down in the big football game, and the game is tied with 2 seconds to go! You are called on to win the game with the biggest field goal of your life, from 36 meters. The crowd holds its collective breath as the ball is spotted, and you kick it. It leaves your ...
October 12, 2012 by Chanel

physics
A hawk flies in a horizontal arc of radius 16 m at a constant speed of 4.8 m/s. Find its centripetal acceleration. Answer in units of m/s2. It continues to fly along the same horizontal arc but increases its speed at the rate of 1.52 m/s2. Find the magnitude of acceleration ...
November 28, 2009 by Anonymous

physics
1)A hawk flies in a horizontal arc of radius 16 m at a constant speed of 4.8 m/s. Find its centripetal acceleration. Answer in units of m/s2. 2)It continues to fly along the same horizontal arc but increases its speed at the rate of 1.52 m/s2. Find the magnitude of ...
November 29, 2009 by Anonymous

science
The bus driver's manager wants to know the average speed at which the driver was actually driving the bus that day while he was on the road. DON'T include the rest stops. A bus driver runs a round trip route between 3 cities. It takes 5 hrs for the 400 km trip to the first ...
April 27, 2010 by Judy

science
The bus driver's manager wants to know the average speed at which the driver was actually driving the bus that day while he was on the road. DON'T include the rest stops. A bus driver runs a round trip route between 3 cities. It takes 5 hrs for the 400 km trip to the first ...
April 27, 2010 by Judy

physics. HELP PLEASE
One method for measuring the speed of sound uses standing waves. A cylindrical tube is open at both ends, and one end admits sound from a tuning fork. A movable plunger is inserted into the other end at a distance L from the end of the tube where the tuning fork is. For a ...
May 1, 2012 by chelsea

Physics
You are conducting an experiment inside a train car that may move horizontally along rail tracks. A load is hung from the ceiling on a string. The load is not swinging, and the string is observed to make a constant angle of with the horizontal. No other forces are acting on ...
September 21, 2012 by JUAN911

Calculus (urgent!!)
A particle moves with its position given by x=cos(2t) and y=sin(t), where positions are given in feet from the origin and time t is in seconds. A)Find the speed of the particle. Speed = ____________ (include units) B)Find the first positive time when the particle comes to a ...
April 15, 2011 by Catherine

algebra
I have no clue what to do here can you tell me how to figure this? If y varies directly with x, and y = 500 when x = 200, find the constant of variation k. Whenever you have a statement such as "....y varies directly with x..." you can write it as an equation y = kx, where k ...
May 13, 2007 by stressed

Physics B
Part 1 A 36 kg girl is standing on a 65 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless supporting surface. The girl begins to walk along the plank at a constant speed of 1.89 m/s to the right relative to the ...
November 12, 2012 by Sarah

Physics
1) The speed of light in a certain liquid is 3/5 the speed in a vacuum. What is the index of refraction of the liquid? 2) A ray of light strikes a piece of glass (n=1.52) and makes an angle of 50 degrees with the surface. What angle does the refracted ray make with the surface...
February 16, 2011 by Ninzy

Physics
1) The speed of light in a certain liquid is 3/5 the speed in a vacuum. What is the index of refraction of the liquid? 2) A ray of light strikes a piece of glass (n=1.52) and makes an angle of 50 degrees with the surface. What angle does the refracted ray make with the surface...
February 16, 2011 by Ninzy

physics multiple choice
A force F is required to push a crate along a rough horizontal floor at a constant speed V with friction present. What force is needed to push this crate along the same floor at a constant speed 3V if friction is the same as before? A. A constant force 3F is needed. B. A force...
February 2, 2011 by mely

physics multiple choice
A force F is required to push a crate along a rough horizontal floor at a constant speed V with friction present. What force is needed to push this crate along the same floor at a constant speed 3V if friction is the same as before? A. A constant force 3F is needed. B. A force...
February 2, 2011 by andrea

physics
Cars A and B are racing each other along the same straight road in the following manner: Car A has a head start and is a distance DA beyond the starting line at t=0. The starting line is at x=0. Car A travels at a constant speed vA. Car B starts at the starting line but has a ...
September 9, 2014 by Anonymous

english,please correct my english grammar
please correct my english grammar.thank you for helping me always. my paragraph. I assess myself 6 out of 10 in speed typing but for word spelling I can give a rate 8 out of 10 which is the highest one. using word document can make more faster and is very helpful in creating ...
May 20, 2011 by jessie

Physics
A blue ball is thrown upward with an initial speed of 19.6 m/s, from a height of 0.5 meters above the ground. 2.4 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 7.9 m/s from a height of 22.1 meters above the ground. The force of ...
February 2, 2014 by Cam

Physics
A 145. drop tower. This is an evacuated vertical tower through which , among other possibilities, a 1m diameter sphere containing an experimental package can be dropped. a) How long is the sphere in free fall? b)What is its speed just as it reached a catching device at the ...
September 17, 2006 by sam

Calculus
A calculus teacher's son likes to shoot arrows. He was wondering at what speed the arrow leaves the bow when it is released. So they went to a large deserted beach at the Great Salt Lake and shot the bow at an angle of 45 degrees. The arrow hit the ground at a distance of 600 ...
February 3, 2011 by Anonymous

physics
a dog runs back and forth between its two owners, who are walking toward one another. the dog starts running when the owners are 10 m apart. if the dog runs with a speed of 3 m/s and the owners each walk with a speed of 1.3 m/s how far has the dog traveled when the owners meet...
August 26, 2007 by manny

Physics
Both car A and car B leave school at the same time, traveling in the same direction. Car A travels at a constant speed of 77 km/h, while car B travels at a constant speed of 89 km/h. 1. How long does it take car A to reach a gas station a distance 247 km from the school? ...
September 8, 2013 by Anonymous

physics
A bicycle is moving at 8.3 m/s. What is the angular speed of its tires if their radius is 42 cm?
October 22, 2007 by steph

Physics
What are the vector components? Would direction and speed be apart of it?
November 29, 2007 by Soly

PC Basics
computers are classified by price, processing speed, capacity, and?
June 21, 2008 by Anonymous

Physics
If a cannonball and a BB have the same speed, which has the longer wavelength?
April 2, 2008 by Jake

science
Do enzymes speed up or slow down chemical reactions?
April 15, 2008 by justin

Science
Which of these rates of speed is the fastest? 40 km/h 28 mi/h 19 knots/h I believe it is 40 km/h am I correct?
October 27, 2008 by Samantha

English
The subway travels at fast speed under the ground.
November 13, 2008 by Sally

physics
Determine the tangential speed of a point .4 m from the center of the wheel?
November 17, 2008 by george

math
traveling 60 mi/h what is the speed in feet per second. How do you find this
October 23, 2009 by kissy

Physical Science
What was the average speed in km/h of a car that travels 400.0 km in 4.5h?
March 6, 2010 by Julie

Physics
With speed 75m/s and period 5.42ms, calculate the wavelength.
April 9, 2010 by James

Science
Show a Venn Diagram comparing velocity and speed.
April 14, 2010 by Sue

college
Find the rms speed of a helium molecule at 321 K
April 29, 2010 by Anonymous

college
Find the rms speed of a helium molecule at 321 K
April 29, 2010 by Anonymous

algebra
if you went 10000 meters in 25 min what is the average speed
August 23, 2010 by charles

algebra
if you went 10000 meters in 25 min what is the average speed
August 23, 2010 by charles

physics
What is the kinetic energy of a 19 kg dog that is running at a speed of 7.4 m/s (about 17 mi/h)?
August 31, 2010 by jessie mcgee

physics
What is the kinetic energy of a 26 kg dog that is running at a speed of 8.4 m/s (about 19 mi/h)?
September 3, 2010 by ashley

Science
A 65 kg woman dives from a 10 m platform. What is her speed as she enters the water.
October 11, 2010 by Sam

math
if you drive 117 miles in 2 1/4 hours, what is your average speed?
October 31, 2010 by ben

physics
2.0g bullet fired with speed of 44.5m/s what is the kinetic? is there any conversions involved?
November 4, 2010 by Help!!!!

physics
what happens if the cars on the roller coaster has too slow speed?
December 9, 2010 by sjkal

Physics
How does the index of refraction relate to the speed of light in a substance?
December 14, 2010 by Emily

pc basics
Computers are classified by price, processing speed, capacity, and
January 13, 2011 by Anonymous

chemistry
What is a typical speed for a N2 molecule in this room? a) 50 m/s b) 500m/s c) 1500 m/s
January 17, 2011 by emoni

physics
What is the kinetic energy of a 20 kg dog that is running at a speed of 7.3 m/s (about 16 mi/h)?
January 27, 2011 by Shay

science
What is the kinetic energy of a 14 kg dog that is running at a speed of 9.0 m/s (about 20 mi/h)
February 10, 2011 by Renee

physics
how do i find the amount of work done when given mass and speed?
February 24, 2011 by Anonymous

8th grade science
What is the difference between speed and velocity?
February 28, 2011 by Kallie

physics
what is the kinetic energy of a bear with a mass of 65 Kg and running at a speed of 20 m/s ?
March 3, 2011 by moxxi

physics
An automobile with a mass of 1400 kg has a speed of 30.0 m/s. What is its kinetic energy
June 6, 2011 by kaleigh

Chemistry
At what speed must a neutron travel to have a wavelength of 9.2 pm?
June 12, 2011 by Lance

math
a motorist goes 78km in 40minutes calculate it speed
July 4, 2011 by Anonymous

physics
What is the kinetic energy of a 29 kg dog that is running at a speed of 7.9 m/s (about 18 mi/h)?
July 14, 2011 by chanelle

mechanics
what is the kinetic energy of an object that has a mass of 20nkilograms and a speed of 2.8 m/s
July 18, 2011 by tina

physics
If you jump upward with a speed of 1.7 m/s, how high will you be when you stop rising?
September 9, 2011 by Billie

Physics
If a person runs the 100m dash in 10.0s, calculate that speed in m/s and km/h.
September 11, 2011 by luis

physics
What is the kinetic energy of a 15 kg dog that is running at a speed of 8.9 m/s (about 20 mi/h)?
September 24, 2011 by Anonymous

science
If a ball rolls North 5 meters in 2 seconds, what is its speed?
October 5, 2011 by Gwinn

physics
Suppose you increase your walking speed from 1m/s to 3m/s in a period of 1s. What is your acceleration? a:2m/s b:5m/s c:4m/s d:3m/s
November 9, 2011 by Anonymous

physics
Suppose you increase your walking speed from 1m/s to 3m/s in a period of 1s. What is your acceleration? a:2m/s b:5m/s c:4m/s d:3m/s
November 9, 2011 by ashley

Calculus(Pre)
Can you explain linear speen and angular speed
November 16, 2011 by Professor Calculus

physics
The speed of an electron is known to be between 3.010^6 m/s and 3.310^6 m/s . Estimate the uncertainty in its position.
November 26, 2011 by paige

Physics
The speed of an electron is known to be between 3.010^6 m/s and 3.310^6 m/s . Estimate the uncertainty in its position.
November 27, 2011 by paige

Science
What is a reference point in determining force, velocity,speed?
January 22, 2012 by Ian

Physics
Can you think of any ways to measure instantaneous speed directly?
January 29, 2012 by Natasha

science
What is the kinetic energy of a 23 kg dog that is running at a speed of 7.4 m/s (about 17 mi/h)?
February 4, 2012 by vanessa

physical Science
What was the average speed in km/h of a car that travels 400km in 4-5h?
February 9, 2012 by Joslyn

Physics
What is the frequency of an electromagnetic wave if it has a wavelength of 1.4 km? The speed of light is 3 10 8 m
March 27, 2012 by Angel

science
What is the average speed of a car that travels 320km in 3.5 hours?
March 29, 2012 by Britt

physics
what is the speed of 1kg object when the kinetic energy is 1 joule
May 7, 2012 by sam c

physics
What is the index of refraction of a liquid in which the speed of light is 2.22 x 108 m/s?
May 14, 2012 by Zach

PHSC
As the wavelength of a wave in a uniform medium increases, its speed will ?
July 5, 2012 by brandy

physics
As the wavelength of a wave in a uniform medium increases, its speed will ?
July 5, 2012 by brandy

math
average speed of a car that travel 17km in 15 minutes
July 11, 2012 by Anonymous

physical science
a 1kg object has kinetic energy of 1J when its speed is?
September 19, 2012 by tracey

physics
What is the speed of a satellite in a geosynchronous orbit about Earth?
October 4, 2012 by Garcia

physics
how to calculate the speed of sound at temp of -83F and 135F?
October 15, 2012 by tiffany

phy science
A wave has a speed of 230 m/s and a frequency of 25 Hz. What is its wavelength?
November 16, 2012 by biq juciy

physics
Calculate the speed of a 10,000 kg airliner with a kinetic energy of 3.1 x 10^9 J.
December 1, 2012 by Drew

physics
Calculate the speed of a 10,000 kg airliner with a kinetic energy of 3.1 x 10^9 J.
December 1, 2012 by Drew

Sience
Hurry!!!!!!!!!!!!!!!!!!!!!!!!!!!! Which of the following is a speed, not a velocity? A. 35 m/s east B. 35 m/s C. 35 m/s D. 35 m/s south
December 4, 2012 by Layla

math
what is the acceleration when a body is ascending up a lift with a steady speed
January 15, 2013 by ramon

science
a bicycle travel 12km in 40 min, what is its average speed
January 24, 2013 by denise

math
what is the speed of a runner who can run 400 metre in 76 seconds
March 19, 2013 by charles

physics
What is the average speed of the car during the first 105?
March 30, 2013 by Anonymous

math
a man walks a distance 2 1/2 km in 30 minutes what is his speed in km/hours?
April 5, 2013 by vaidehi

physics
Determine the kinetic energy of an object 8.0 kg going at a speed of 12.0 m/s.
June 27, 2013 by janai

physics
If the speed of an object is doubled its kinetic energy is multiplied by
July 24, 2013 by Nur

Physics
A 0.115 kg baseball is thrown upward with an initial speed of 17.0 m/s.
October 20, 2013 by Anonymous

chemistry
At what temperature does the rms speed of O2 molecules equal 475 m/s?
November 5, 2013 by sher

science
What is the otter's acceleration if it increases its speed 3 m/s each second for 4 seconds
November 15, 2013 by Mely

Physics
What is the speed of a proton whose kinetic energy is 12.9 keV?
January 26, 2014 by Anonymous

chemistry
What is the difference between the speed of a moving object and its velocity?
April 10, 2014 by jamie

physics
The equation for distance is d = st. How far does a car go in 10 seconds at a speed of 44 m/s?
May 30, 2014 by manuel

physics
What is the kinetic energy of a 19 kg dog that is running at a speed of 7.7 m/s (about 17 mi/h)?
June 4, 2014 by Anonymous

physics
What is the minimum speed required to simulate artificial gravity?
June 5, 2014 by grey

PHYSICS
determine the speed of a 2.0g insect that has kinetic energy of 0.020 J.
July 11, 2014 by EMMA

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