Thursday
July 24, 2014

Search: physics-newton's laws

Number of results: 56,282

physics
6)Which of Newton's laws would best explain what causes a basketball to bounce? Third 7)Which of Newton's laws would best explain the whiplash caused by being rear-ended in a car accident? First
March 31, 2008 by Jon

Science
How can we use Kepler's laws or Newton's laws to learn about these objects?
July 26, 2012 by David

Physics
Summarize two observations that are contrary to the predictions based on Newton’s laws but that confirm Einstein’s explanation of gravity. Indicate how the predictions based on Newton’s theory differ from Einstein’s.
January 11, 2012 by Pat

URGENT! PLEASE HELP QUICK PHYSICS
Summarize two observations that are contrary to the predictions based on Newton’s laws but that confirm Einstein’s explanation of gravity. Indicate how the predictions based on Newton’s theory differ from Einstein’s.
January 15, 2014 by Anon

Physics-Newton's Law
Hi-I have a question-we're studying Newton's Laws and my question is: If I have a constant, non-zero force, how does the accleration change as the mass is changed. I think it changes proportionally-yes, or no but I'm not sure why except to say that's the law
October 10, 2010 by Juliette

physics
What is the difference between the second and third Newton’s Laws?
March 8, 2011 by Nazgul

physics
at what angle must the two forces of 50 newton and 120 newton be acting so as to balanced by a force of 130 newton?
May 22, 2012 by anupriya

physics
Explain how Newton developed a theory to explain why the planets moved according to Kepler’s laws of planetary motion.
December 21, 2013 by Hope Grey

Anthropologhy
Sumptuary laws are: (Points : 1) property laws. marriage laws. religious laws. civil laws.
April 7, 2013 by Tawnya

science
how does newton's laws apply to a toothpicks bridge
March 14, 2010 by lea

science
I need help doing examples for newton's 3 laws of motion....can you help me?
February 23, 2011 by joe

Physics
An electron is accelerated by a uniform electric field (1000 V/m) pointing vertically upward. use newton's laws to determine the electron's velocity after it moves .10 cm
April 25, 2010 by Standard C.

Physics Newton law
A 10O0Kg elevator is hoisted upward from rest by a cable. In the first two seconds there is an 1100N tension force in the cable hoisting the elevator. What is the speed after two seconds and how far has it travelled ? Get the acceleration first. Tension=mg + m*acceleration. ...
November 5, 2006 by harry

SCIENCE
For my science project i have to choose a sport and list five carefully thoughtout ways that Newton's three Laws of Motion are involed in the game i selected. The sport i have selected is tennis. i have 3 ways already but i am missing 2 more. Here are the 3 ways i have already...
November 11, 2007 by Anonymous

Physics
Understanding Newton's First and Second Laws, why do all objets near Earth accelerate at a constant rate "g"? I'm very confused, is it something about how inertia keeps the objects accelerating? Please help , thank you.
November 3, 2008 by Gerrad

sience
whats the laws of newton's first law of motion?
October 3, 2007 by naijah

science
need help with an essay about Isaac Newton and his 3 laws.
May 13, 2008 by tegz

science
I need help with an explanation about Isaac Newton and his three laws.
May 20, 2008 by tegz93

Biology
Is there a mathematical way of writing Newton's three laws of motion
August 15, 2009 by kt

physics
Using your knowledge of the concept of inertia and Newton’s three laws of motion, recount what happens to: a) cars and b) passenger from the moment the car starts to slow down until it is brought to rest by a collision with a solid object.
June 25, 2011 by kashish khatri

Physics
A force (in this case, water) is applied to a waterwheel that turns and lifts a small weight that is attached to a string that is attached to the waterwheel's axle. How do Newton's 3 laws of motion describe this event?
April 5, 2013 by Pat

physics
Newton was holding an apple of mass 120 g and thinking about the gravitational forces exerted on the apple by himself and by the Sun. Calculate the magnitude of the gravitational force acting on the apple due to Newton, the Sun, and the Earth, assuming that the distance from ...
October 30, 2011 by mymi

Government Check
What was the name of the discriminatory laws enacted in response to the 13th, 14th and 15th Amendments? a)Separate but Equal Laws *b)Jim Crow Laws c)Dred Scott Laws
July 4, 2010 by Ariel

Physics
Do Newton's Law apply to motion inside your car? A.Yes, but only when at rest. B.Yes, but only when traveling at constant velocity or at rest. C.No, never. D.Yes, always. So I tried answering the question with D at first because I was thinking that it is a car in motion so ...
July 8, 2014 by Sophie

Physics
Hi-I have a question-we're studying Newton's Laws and my question is: If I have a constant, non-zero force, how does the accleration change as the mass is changed. I think it changes proportionally-yes, or no but I'm not sure why except to say that's the law Thank you
October 10, 2010 by Juliette

physics (Newton's Laws)
Please help, A cat is stuck in a tree. You are designated with the job to get it out, yet you do not want to climb the tree, because you may get stuck as well. Instead you set up a pulley system. A rope (consider it massless) runs from the seat you sit on over an ideal pulley...
March 17, 2013 by Kathy

technology
Need help on the question below. I have read all about all 3 laws but still don't understand if this would be 1st or 2nd law. "A ball is rolling in a straight line on a hardwood floor. A cat hits it from the right, so the ball rolls left. Which Law of Motion is this? a. Netwon...
March 14, 2014 by Brandi

Physics
An astronaut is at rest 1.0 m away from his shuttle when his jet malfunctions and his hand-held radio dies. unable to reach his shuttle to return to safety, a) what can the astronaut do to get himself back to his ship? b) Which of Newton's three laws would this demonstrate?
November 20, 2013 by JR

Physics -movies
There are many Hollywood movies which show a hero or villian running, jumping, or riding a motorcycle through big plate glass windows without apparent injury. Why is this an incredible violation of Newton's laws? i can't think of really anything that makes sense...
December 5, 2012 by Maggie

physics (Newton's Laws)
If an acrobat who weighs 800 N is clinging to a vertical pole using only his hands, neither moving up nor down, can we determine the coefficient of static friction between his hands and the pole? Explain your answer. Please, help. Thank you
March 13, 2013 by Kathy

physics-newton's laws
an aeroplane is flying in a horizontal circle with airspeed of 480 km/h. The wings of the plane are tilted at 40 degrees to the horizontal. What is the radius of the circle and how long does it take the plane to complete one full circle?
October 12, 2010 by mani

6th grade science
What are Newton's three laws on motion in sixth grade lingo?
February 22, 2011 by Marsha

science/Newton's third law
if you kick a 5kg ball with one Newton it would push back on you with one Newton is this true???
June 4, 2011 by who wants 2 no?

Physics
(10 points) 3. Use your data from Part 3 and Newton’s laws to explain why the force meter measures a force if the cart is moving at a constant velocity. The forces acting on the cart are the applied force (FA), the force of friction (Ff), weight (Fg) and the normal force (FN...
October 29, 2010 by Margaret Yeager

Social Studies
Okay! I don't know the correct terminology for what I call MINI-LAWS. MINI-LAWS are laws added on to one big law. Example: Math has to make up 1/3rd of all lessons taught. MINI-LAWS would include...grades 3-12, college exempt. So can you tell me what the correct terminology ...
July 22, 2008 by Minerva

Physichal Science
In my homework it asks me this: Use the letters below to answer this question: What is the FORCE behind Newton's laws? The letters are p s l o p r u u l h
September 25, 2008 by Jon

physics
The finding that light in free space has one speed, and one speed only, is consistent with ____________________. A) the conservation of energy as shown by Maxwell.B) general relativity.C) Newton's laws of motion.D) electromagnetic induction. My book tells me it is A and D but ...
April 28, 2012 by Kristie

physics
An object is acted by 3 coplanar forces:30 newton to the north, 20 in the direction S20degrees E and 25 newton in a direction W20degrees S.Find the resultant
April 5, 2011 by Jas

science
Motion and newton's laws. able to calculate acceleration rates. Distinguish Between speed and velocity. And why velocity is important. Help me please I'm not understanding this. Thank you
January 24, 2012 by glenn help help help

PHYSICS!
an object weighs 528.0 Newton. It is being pushed along a horizontal surface by a 475.0-Newton force. Determine the mass of the object in a numerical form.
October 31, 2012 by Michael

physics
Legned has it that Isacc Newton was hit on the head by a falling apple, thus triggering his thoughts on gravity. Assuming the story is to be true, estimate the speed of the apple when it struck Newton.
November 22, 2011 by taylor

physics
Legend has it that Isacc Newton was hit on the head by a falling apple, thus triggering his thoughts on gravity. Assuming the story is to be true, estimate the speed of the apple when it struck Newton.
November 22, 2011 by taylor

Managerial Economics
Some states have had laws restricting the ssale of most goods on Sunday. Consumers, by and large, oppose such laws because they find Sundat afternoon a convenient time to shop. Paradoxically, retail trade associations frequently support the laws. Discuss the reasons for ...
June 18, 2008 by Dee

Economics
Some states have had laws restricting the sale of most goods on Sunday. Consumers, by and large, oppose such laws because they find Sunday afternoon a convenient time to shop. Paradoxically, retail trade associations frequently support the laws. Discuss the reasons for ...
July 15, 2013 by Eric

science
Newton applied his laws of motion to the problem of the motions of the planets. He assumed that it was gravity that held them in their orbits, true false Just need to know if my answer or right or wrong. Thanks! :) true
August 17, 2010 by ant

science
Newton applied his laws of motion to the problem of the motions of the planets. He assumed that it was gravity that held them in their orbits, true false Just need to know if my answer or right or wrong. Thanks! :) true
August 18, 2010 by ant

Physics
Suppose you viewed a movie that was running backwards. You would see lots of odd things happen: streams would flow uphill, a diver would emerge upwards and go back to the diving board etc. If these backward moving events actually happened in nature, which principle or ...
February 20, 2009 by Kate

English
Albert Einstein (1879-1955) He is an American physicist. He reported "General Theory of Relativity" in 1916. He won a Novel Prize in 1921. Issac Newton(1642-1727) He discovered "the Law of Universal Gravitation" and "the Three Laws of Motion" - laws of inertia, action and ...
August 11, 2009 by John

science
Which of Newton’s laws says that a net force acting on an object causes the object to accelerate in the direction of the force?
October 24, 2007 by jorge

Laws of Motion
A student stands on a scale in an elevator that is accelerating at 2.8m/s^2. If the student has a mass of 94 kg, to the nearest newton what is the scale reading?
February 27, 2011 by James

physical science
which of newton's laws (1, 2, or 3)are used in the following: 1) spaceship reaches the speed for orbit around the earth, 2) pushing the shuttle forward in space 3) the force needed to escape earth's atmosphere
December 31, 2010 by anonymous

physics
Q2. A box rests on the (frictionless) bed of a truck. The truck driver starts the truck and accelerates forward. The box immediately starts to slide toward the rear of the truck. Discuss the motion of the box, in terms of Newton’s laws, as seen (a) by Mary standing on the ...
November 14, 2007 by beckii

Ethics
HIPAA, GLB, and COPPA laws can help ensure people's privacy. What is their ethical justification? Is there gray area in these laws? How do some businesses try to find their way around these laws
May 24, 2013 by David

ethics question
how HIPAA, GLB, and COPPA laws can help ensure people's privacy. What is their ethical justification? Is there gray area in these laws? How do some businesses try to find their way around these laws?
November 7, 2010 by Anonymous

physics
An athlete whose mass is 94.0 is performing weight-lifting exercises. Starting from the rest position, he lifts, with constant acceleration, a barbell that weighs 600 . He lifts the barbell a distance of 0.50 in a time of 2.2 . Part A Use Newton's laws to find the total force ...
November 9, 2012 by Anonymous

physics
A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 38.0 directed at an angle of 41.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the magnitude of the normal ...
September 23, 2009 by Mary

physics
A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 38.0 directed at an angle of 41.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the magnitude of the normal ...
September 23, 2009 by Mary

physics
A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 38.0 directed at an angle of 41.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the magnitude of the normal ...
September 23, 2009 by Mary

physics
A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 38.0 directed at an angle of 41.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the magnitude of the normal ...
September 23, 2009 by Mary

Physics
A chair of weight 85.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 44.0 N directed at an angle of 42.0 degrees below the horizontal and the chair slides along the floor. Using Newton's laws, calculate n, the ...
October 13, 2009 by Anonymous

physics
A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 36.0 directed at an angle of 40.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the magnitude of the normal ...
December 14, 2009 by jj

physics
A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 36.0 directed at an angle of 40.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the magnitude of the normal ...
December 14, 2009 by jj

Astronomy
The speed of light is the same for all observers, and the laws of physics are the same for all observers in uniform motion. These two statements are fundamental postulates of A) general relativity B) Newtons laws of motion C) special relativity D) the laws of electricity and ...
March 28, 2010 by Anonymous

Physical Science
The static frictional between a 500 kilogram box of bricks and the floor is 500 Newton’s. The kinetic frictional force in only 220 Newton’s. How many Newton’s of force must a worker exert to get the moving?
September 26, 2012 by Tala

physics
A chair of weight 100N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 43.0N directed at an angle of 35.0^\circ below the horizontal and the chair slides along the floor. Using Newton's laws, calculate n, the magnitude of ...
October 22, 2012 by souleymane

physics
A chair of weight 100N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 43.0N directed at an angle of 35.0^\circ below the horizontal and the chair slides along the floor. Using Newton's laws, calculate n, the magnitude of ...
October 22, 2012 by souleymane

Physics
i saw this question from physics book, can someone please help me solve this.. thank you.. A man pulls a 500 Newton block up a plane inclined 300 with the horizontal with a force of 300 Newton parallel to the plane. What net force tends to pull the block up the plane?
October 9, 2010 by May

language arts
Having trouble deciding on a review question between and or but. The sentence says, "Newton's ideas about motion are called laws, (and, but) Einstein's idea about relativity is called a theory." Thanks.
April 10, 2012 by Brandi

Physics- Newton's Laws in Space
Hi! I would really appreciate it if you could help me think through these questions discussing Newton's Laws in Space... Directions: Consider the following scenarios ignoring the effects of gravity: 1. You are the capitan of a spacecraft traveling in the far reaches of outer ...
December 2, 2006 by Sophie

physics
Newton assumed that a gravitational force acts directly between Earth and the Moon. How does Einstein's view of the attractive force between the two bodies differ from Newton's view?
January 16, 2010 by kendra

Physics
A box is sliding up an incline that makes an angle of 15.0 degrees with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.180. The initial speed of the box and the surface of the incline is 1.50 m/s. How far does...
December 8, 2012 by Matoro

Physics
A cell phone, when weighed in air has a weight of 5.5 newton. When completely immersed in water, however, it has a weight of 3.3 newton. Find the volume of the cell phone.
March 18, 2012 by Loiso

Calculus
Can someone check my answer? The change in the momentum of an object (Δ p) is given by the force, F, acting on the object multiplied by the time interval that the force was acting: Δ p = F Δt . If the force (in newtons) acting on a particular object is given by ...
May 5, 2014 by Samantha

Science - Newton
How did Isaac Newton affect the Heliocentric Theory?
October 28, 2013 by Chipe Martinez

Physics-Please check my explanation-I need to know
Posted by Juliette on Sunday, October 10, 2010 at 4:58pm. Hi-I have a question-we're studying Newton's Laws and my question is: If I have a constant, non-zero force, how does the accleration change as the mass is changed. I think it changes proportionally-because the formula F...
October 10, 2010 by Juliette

Physics - Newton's Law of universal gravitation
Describe how Newton used each of the following phenomena to support the law of universal gravitation a) the orbit of the moon b) kepler's third law
August 22, 2010 by Shaila

science
a teacher pushed a 98 newton desk acrosss a floor for a distance of 5 meters she exerted a horizontal force of 20 newton How much work was done?
October 24, 2009 by Barb

math
How much force is needed to accelerate a 50-kg rider and her 250-kg motorcycle at 5 m/s2? This is really a physics question. The equation that you use is Newton's second law, Force = Mass x Acceleration. In this case, the total mass being accelerated is 300 kg. Multiply that ...
June 12, 2007 by kent

Physics
I'm learning about Newton's Laws of Motions and I'm having trouble understanding these questions: "A rear-end collision between a soft-drink truck and a car occurs. The truck driver claims the car backed into him, while the auto driver claims that the truck hit him from behind...
July 8, 2010 by Stuck

Physics
Help on these few questions please? :( I'm so confused. No need for a direct answer if you don't wanna give it but I just need some explaining. thank you. points) Score A ball is thrown horizontally from a platform so that the initial height of the ball is 6.0 m above the ...
June 5, 2014 by EIllie

physics
A pilot with a mass of 50 kg comes out of a vertical dive in a circular arc such that at the bottom of the arc her upward acceleration is 3.5g. (a) How does the magnitude of the force exerted by the airplane seat on the pilot at the bottom of the arc compare to her weight? (b...
February 19, 2010 by mike

Physics
A pilot with a mass of 50 kg comes out of a vertical dive in a circular arc such that at the bottom of the arc her upward acceleration is 3.5g. (a) How does the magnitude of the force exerted by the airplane seat on the pilot at the bottom of the arc compare to her weight? (b...
September 29, 2010 by Jenny

physics
A box is resting on a table frictionless). Determine the weight of the box and the normal force acting on it. (a) If the box was pushed down, with a force of 40N, determine again the normal force acting on the box. (b) If the box was pulled up with a force of 40N, what now is ...
July 22, 2008 by Ruby

calculus
Use Newton's method to solve the equation sec x = 4 in the interval x in (0, pi/2). In other words, use Newton's Method to compute arcsec(4). (You need to make a good initial guess for the root otherwise Newton's method will probably fail. Please justify how you came up with ...
April 13, 2011 by Anonymous

Physics
Derive a function that gives the final speed of the cart as a function of the masses, ramp angle and distance up the ramp that the cart moves. Use conservation of energy to do this-no kinematics or Newton's Laws. I have 3 trials ,, 3 angles and 3 masses ( cart moving up the ...
July 22, 2011 by AfterLife

Physics
Josh starts his sled at the top of a 3.0m high hill that has a constant slope of 25 degrees. After reaching the bottom, he slides across a horizontal patch of snow. The hill is frictionless but the coefficient of kinetic friction between his sled and the snow is .05. How far ...
June 16, 2014 by Tiffany

government
PACs have been called “collection agencies” for interest groups. They were created to evade laws that forbid corporation and labor unions from giving money “directly” to federal candidates. These laws still exist. Aren’t the laws now a farce? Why does congress permit the law ...
October 19, 2008 by Anonymous

Physics
If I take a glob of mud and throw it against a wall with the speed of V and stops in time T and than I take a ball and throw it and it hits the wall with speed V and leaves the wall a time T later at a speed of 0.5V and they both have same value and mass, which one involves a ...
October 3, 2010 by Allen

physics
1.What if Newton’s Third Law did not exist?. In your response to this inquiry, think of some of the consequences if Newton’s Third Law were not true. Describe in detail at least two consequences that would result if the Third Law were not true.
April 26, 2011 by maria

newton's method #2
i want to verify that when newton's method is used to compute sqrt(R) (by solving the equation x^2=R), the sequence o iterates is defined by x_(n+1)=.5(x_(n) + (R/x_(n))
September 28, 2008 by Julie

Calculus 1 Newton's Method
Using Newton's method, approximate the root of the equation x^3+x+2=0 with the initial guess x1=-1 gives: x2=? and x3=? answers are not 0 or -1
October 31, 2011 by Olivia

physics
An astronaut in her space suit has a total mass of m1 = 69.7 kg, including suit and oxygen tank. Her tether line loses its attachment to her spacecraft while she's on a spacewalk. Initially at rest with respect to her spacecraft, she throws her oxygen tank of mass m2 = 12.0-kg...
October 25, 2011 by Anonymous

Physics 1
An astronaut in her space suit has a total mass of m1 = 76.9 kg, including suit and oxygen tank. Her tether line loses its attachment to her spacecraft while she's on a spacewalk. Initially at rest with respect to her spacecraft, she throws her oxygen tank of mass m2 = 12.0-kg...
March 14, 2013 by Emily

Precalculus
What is the magnitude of the resultant of a 100 newton force along the x-axis and a 150 newton force at an angle of 40° to each other? Where do i start?? help!
August 8, 2011 by Hanson

social studies
how did the new laws affect the lives of americans in the year following the civil war? the new laws affected the lives of the americans in many ways. for instance, ( um, what are the new laws? if i know i'll be able to answer the question. i'll be on tonight until 8:00)
September 13, 2006 by Jasmine

NEWTON'S LAWS (FORCES)
Two boxes, A and B, are connected to each end of a light vertical rope, as shown in the following figure. A constant upward force 78.0N is applied to box A . Starting from rest, box B descends 12.3 m in 3.80s . The tension in the rope connecting the two boxes is 30.0 N What is...
October 8, 2011 by Mar

Calculus
You are using Newton's method to solve e^x - 2. If you first guess is x1=1, what value will you calculate for the next approximation x2? ...I don't know what Newton's method is, so I looked it up...and I'm still confused. Help plz? Thx
June 1, 2010 by Anonymous

physics
A rock is moving through interstellar space towards a snow ball. Describe the motion of the rock until it hits the snow ball (in terms of Newton’s First Law). According to Newton’s 3rd Law, what will be the reaction to the force of the rock on the snow ball? How will these ...
December 18, 2013 by Anonymous

physics
A ring fixed to a support at the top is hanging vertically. A bead of mass m slides through the ring and is connected to the support through a spring of stiffness k as shown in the figure-1. The length of the unstretched spring is almost negligible. Note that gravity acts. a. ...
December 30, 2011 by nain abbas

HISTORY
IS U.S. Congress prohibited from passing laws that might conflict with state laws
November 11, 2010 by CARNITA

Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Search
Members