Thursday
April 24, 2014

Search: A 5.50 object initially at rest at the origin is subjected to the time-varying force shown in the figure . What is the object's velocity at

Number of results: 7,793

physics
Which of the following situations describes inertia? a. A stationary object tends to resist being moved. b. A moving object tends to resist a change in speed. c. A moing object tends to resist a change in direction d. all of the above
Wednesday, February 6, 2013 at 11:31am by Carolyn

physics
when an object is 100m above the surface of earth. The earth's attraction for it is 10N. In order then the earth's attraction on the same object is only 5N. how far should be taken to object be away from surface of earth.
Sunday, July 22, 2012 at 3:48am by Fareeha

physics
1. There are three forces acting on an object, a 30N force pulling right, a 50N force pushing right, and 30N frictional force pushing left. a. What is the force of gravity on this 15kg object? b. If the object is on the ground what is the normal force acting on the object c. ...
Tuesday, June 21, 2011 at 6:47pm by molly

General Chemistry
If 50.0grams of copper initially at 145.0 C is put into 150.0mL of water initially at 25.00C, then what will the final temperature of the mixture be? assume that all of the heat lost by the hot copper is absorbed by the cold water.
Sunday, June 3, 2012 at 4:53pm by Mqureshi

Physics
An object is placed 30mm in front of a lens. An image of the object is located 90mm behind the lens. a) Is the lens converging or diverging? explain. b) What is the focal length of the lens? c) Draw a diagram with lens at x=0, locate the image. d) Is the image real or virtual...
Monday, May 30, 2011 at 5:51pm by Harly

marymount academy
1.An object 2.5cm high is placed 10cm from a converging lens. if the local length of the lens is 5cm, a. How far from the lens will the image be formed? b. How high is the image formed? c. What is the total magnificatio of the object? 2. A terrestrial telescope is used to view...
Friday, November 23, 2012 at 12:57am by gabriel sam responso

Calculus
Newton's Law of Cooling states that the rate at which an object cools is proportional to the difference in temperature between the object and the surrounding medium. Thus, if an object is taken from an oven at 303 F and left to cool in a room at 74 F, it's temperature T after ...
Tuesday, October 13, 2009 at 1:19pm by Z32

Physics
An object traveling at 5.0 m/s East has a mass of 6.0 kg. What is the magnitude of the object's momentum? I am not sure what the formula is for this one!
Sunday, October 11, 2009 at 4:55pm by Jack

physics
A 18 kg object and a 6 kg object are hanging over a frictionless pulley. What is the acceleration of the system to the nearest tenth?
Monday, November 9, 2009 at 7:00pm by JUan

physics
if a clown lets go of a rope that has an object attached to it traveling in a circular motion, what will happen to the object
Friday, March 19, 2010 at 11:26am by samantha

Physics
An object's moment of inertia is 1.8 kg\,m^2. Its angular velocity is increasing at the rate of 3.4 rad/s^2. What is the torque on the object?
Saturday, October 30, 2010 at 4:02pm by mike

physics
An object of mass m=2kg travels up an incline to a vertical height of 3m. What is the work done on the object by gravity?
Wednesday, November 3, 2010 at 12:36pm by derek

physics
An object of mass m=2kg travels up an incline to a vertical height of 3m. What is the work done on the object by gravity?
Wednesday, November 3, 2010 at 2:46pm by derek

Physics
A moving object has a kinetic energy of 188 J and a momentum with magnitude of 26.2 kg·m/s. Determine the mass of the object.
Thursday, February 17, 2011 at 7:07pm by Mike

physics
If the mass of an object was 0.500 kg and it started from rest, then the object's final velocity at the end of 0.86 seconds is ?
Friday, February 24, 2012 at 7:18am by sarah

science
A 5kg object is resting on top of a 30m building. How much energy does the object have?
Monday, March 5, 2012 at 7:18pm by James

science
An object is traveling in a straight line in space.No forces are affecting it. What will happen to the object's motion?
Saturday, March 24, 2012 at 2:01pm by Josie

Physics
A 50kg object is moving at 25m/sec. How many calories are generated when the object brakes to a stop?
Tuesday, October 16, 2012 at 2:22pm by Sarah

Physics
A cubical object of sides 5 cm is immersed completely in water. What is the force of buoyancy on the object? (Assume g = 10 m/s2)
Tuesday, November 27, 2012 at 7:03am by Mark

Calculus
An object is traveling along the x axis so that its speed is given by 2 v(t) t 7t 10 m/s. (a) Find the times when the object is at rest.
Tuesday, May 14, 2013 at 3:13am by Michael

Engish
Is "who is in charge of counting votes?" A direct object, subject, object of a preposition, or a predicate noun?
Monday, November 11, 2013 at 5:17pm by Beck

Math
Growth rate of odd size object: Start: 1.5" w by 1.5" l by .25" h End: 3.25" w by 3.50" l by .25" h Did this object increase by 600%?
Thursday, November 14, 2013 at 3:30pm by Tracy

Science asap thankies :)
If an object sinks in a fluid, the buoyant force is ____ the weight of the object.
Thursday, February 6, 2014 at 5:03pm by :)

Calculus
Use the position function s(t)=-4.9t^2+ 150, which gives the height (in meters) of an object that has fallen from 150 meters. Teh velocity at time t=a seconds is given by: lim as t approaches a s(a)-s(t) divided by a-t a) find the velocity of the object when t=3 b) at what ...
Friday, August 31, 2007 at 8:29pm by Leah

Grammer
what is the difference between the Direct Object and the Indirect Object?
Sunday, February 19, 2012 at 6:43pm by Losa

physics
An object has an acceleration of +1.4 m/s2. At t=4.0 s, its velocity is -4.5 m/s. a) Find the object's velocities at t=1.0 s and t=7.0 s.
Thursday, August 23, 2012 at 9:24pm by mitch

Physics
a net force of 3.50 N acts on a 2.75 kg object. what is the acceleration of the object?
Thursday, November 29, 2012 at 12:24pm by Janet

physics
When a 2.9 kg object is suspended in water, it "masses" 1.5 kg. What is the density of the object?
Saturday, December 1, 2012 at 2:37pm by kev

science
An object with a mass of 11.4 kg experiences a force of 13.68 N. What is the acceleration of the object?
Monday, January 14, 2013 at 3:48pm by Anonymous

chemistry
An object has a KE= 18000 and a massof 98kg what is the speed of the object
Sunday, February 3, 2013 at 11:54pm by alexis

Physics ~ missed this lecture pls help
A thin converging lens of focal length 9.82 cm forms an image of an object placed 18.5 cm from the lens. Find the image distance. Answer in units of cm. What is the magnification for an object distance of 18.5 cm? Find the location of the image for an object distance of 4.06 ...
Thursday, April 28, 2011 at 9:20pm by cr

math 117
Can some help me with this appendix please. Thank you Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object ...
Friday, July 16, 2010 at 2:07pm by c.g.

Math/ Computers
Posted by Ariel on Saturday, November 10, 2007 at 4:33pm. So I need a function (parameters: origin x, origin y, destination x, destination y, object x1, object y1, object x2, object y2). The object in this case would be a wall with two points (x1, y1, x2, y2). The function ...
Monday, November 12, 2007 at 6:32am by Ariel

Algebra
I've been looking for help on setting up this part of my homework so that I could finish it. If anyone can help, please do. Part 1: Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on Earth also varies ...
Sunday, February 6, 2011 at 9:05pm by Desparate for Help

physics
A object of mass 3.00 kg is subject to a force Fx that varies with position as in the figure below. Find the work done by the force on the object as it moves as follows: (a) from x = 0 to x = 4.00 m 1 Your response differs from the correct answer by 10% to 100%. J (b) from x...
Tuesday, October 20, 2009 at 8:08pm by fdtc

Physics
Can't get correct answer An object weighing 340 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 260 N. Immersed in oil, the object weighs 290 N. (a) Find the density of the object. kg/m3 (b) Find the density of the oil. kg/m3
Tuesday, July 22, 2008 at 10:28pm by Elisa

physics
two small objects, A and B, are fixed in place and separated by 3.00 cm in a vacuum. object A has a charge of +2.00 micro coulomb , and object B has a charge of -2.00 micro coulomb. how many electrons must be removed from A and put onto B to make the elecrtostatic force that ...
Monday, April 26, 2010 at 11:40am by kim

Physics
An object of mass 50 g floats in a liquid of density 2.5 g/ml. When the object is placed in a liquid of density 2.0 g/ml, it sinks to the bottom of the container. What is the force that the object exerts on the bottom of the container? [g = 10m/s^2 = 10N/kg]
Saturday, April 12, 2014 at 2:11am by Erin

physics
an object of mass 10kg is dropped from a 20 m cliff. what is the velocity just before the object strikes the ground?
Sunday, October 26, 2008 at 3:37pm by Bailey

chemistry
An object has a mass of 16.3 grams and occupies a constant volume of 85.2 mL at standard conditions. Calculate the density of the object in g/mL?
Monday, August 29, 2011 at 10:37pm by cc

physics
An object is thrown vertically into the air with an applied force of 145N. what is the initial acceleration of the object?
Tuesday, March 30, 2010 at 8:13pm by jake

physics
how can the work done to an object be the same amout as the potential energy when sitting on an incline plan.. (the object is a marble)
Wednesday, January 12, 2011 at 5:25pm by jojo

physics
how can the work done to an object be the same amout as the potential energy when sitting on an incline plan.. (the object is a marble)
Wednesday, January 12, 2011 at 5:25pm by jojo

Physics
A moving object has a kinetic energy of 146 J and a momentum of 23.4 kg·m/s. a) Find the speed of the object. Answer in units of m/s.
Wednesday, January 26, 2011 at 2:29pm by Michael N.

Physics
A moving object has a kinetic energy of 138 J and a momentum of 23.9 kg·m/s. a) Find the speed of the object. Answer in units of m/s.
Tuesday, February 22, 2011 at 8:10pm by Maria

Physics
A moving object has a kinetic energy of 138 J and a momentum of 23.9 kg·m/s. a) Find the speed of the object. Answer in units of m/s.
Thursday, February 24, 2011 at 8:52pm by Maria

physics
A moving object has a kinetic energy of 133 J and a momentum with magnitude of 39.8 kg·m/s. Detemine the mass (kg), and velocity (m/s) of the object.
Thursday, May 19, 2011 at 12:54am by justin

physics
what is the relationship between the distance fallen from an object as a function of time for an object experiencing air resistance.
Wednesday, July 20, 2011 at 12:32pm by ike

Physics
An object has a mass of 115 kg on the Earth. What is the weight of the object on the surface of a planet where the acceleration due to gravity is 5.6 m/s2?
Thursday, January 5, 2012 at 11:13pm by Jordyn

physics
A 45.0 kg object is moving with a velocity of 17 m/s. How long must a 25.0 N force act on the object to bring it to a complete stop
Thursday, January 26, 2012 at 10:43am by Karan

Physics
An object moving to the right has a positive acceleration which is decreasing. Is this object speeding up or slowing down? explain why?
Sunday, January 29, 2012 at 2:54pm by Anonymous

Physics
An object moving to the right has a positive acceleration which is decreasing. Is this object speeding up or slowing down? Explain why?
Sunday, January 29, 2012 at 4:07pm by Anonymous

physics
a 20N object falls 10 meters. how many joules of kinetic energy does the object gain? a)10 b) 20 c) 200 d) 2000
Friday, August 24, 2012 at 5:21am by help me

Physical Science
an object with a mass of 50kg is hurled at an acceleration rate of 30 m/s2. How much force was applied to the object?
Tuesday, December 11, 2012 at 6:19pm by Casey

Physics
Work is done on an object of mass 2kg to increase its kenetic energy to 18J. Calculate the speed of the object.
Sunday, February 17, 2013 at 1:43pm by Anonymous

Physics
An object with mass 20 kg is moving horizontally. if the velocity of the object is doubled, does the momentum increased or decreased ? what is the explanation ?
Friday, August 16, 2013 at 10:39pm by kate

science
an object who's mass 5.20kg has a gravitational potential energy of 10.3kj. how high above the ground is the object?
Wednesday, September 25, 2013 at 3:18pm by trisha

science
According to Newton's Second Law of Motion, when an object is acted on by an unbalanced force, how will that object respond?
Tuesday, February 4, 2014 at 2:09pm by jp

science
Fill in the blank? The acceleration of an object is equal to the net _____ acting on the object divided by the objects____?
Monday, March 3, 2014 at 8:10pm by snow

physics
In order to change the angular momentum of an object, it is necessary to apply a. a net force to the object. b. a net torque to the object. c. a centripetal acceleration to the object. d. both a net force and a net torque to the object. We have three vectors, labeled A, B, and...
Saturday, December 24, 2011 at 7:18pm by Lindsay

physics
An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero ...
Sunday, November 22, 2009 at 12:13pm by Maggie

physics
An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero ...
Sunday, November 22, 2009 at 9:33pm by Maggie

Physics - Another Question
"A meter stick is held vertically behind an object on a spring. The object vibrates from the 20cm mark to the 32cm mark on the stick. Find the displacement when the object is at the 20cm mark, 24cm mark, 26cm mark, and 30cm mark." I had found the equilibrium position to be ...
Tuesday, July 20, 2010 at 4:42pm by Stuck

physics
An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? I think the answer is B but not sure. a) That there is no reaction force-the net force on the object is ...
Monday, November 23, 2009 at 2:22pm by maggie

phy
Review. An object with a mass of m 5 5.10 kg is attached to the free end of a light string wrapped around a reel of radius R 5 0.250 m and mass M 5 3.00 kg. The reel is a solid disk, free to rotate in a vertical plane about the horizontal axis passing through its center as ...
Thursday, January 3, 2013 at 8:41am by Anonymous

physics
An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? Is A the correct answer? a) That there is no reaction force-the net force on the object is zero, so the ...
Monday, November 23, 2009 at 7:00pm by ronnie

Phyics
If a 68kg object is being pulled across the hard floor with a horizontal force of 400N... a. What would the acceleration of the object be if it was on a frictionless floor? b. if there were friction, what would the force of friction be if it was pulled at a constant velocity? ...
Tuesday, June 21, 2011 at 7:29pm by molly

Physics
A 500.0 kg object is attached by a rope through a pulley to a paddle-wheel shaft that is placed in a well-insulated tank holding 25.0 kg of water. The object is allowed to fall, causing the paddle wheel to rotate, churning the water. If the object falls a vertical distance of ...
Wednesday, February 5, 2014 at 6:26pm by Carla

Applied Calculus
Suppose that an object is thrown down towards the ground from the top of the 1100-ft tall Sears Tower with an initial velocity of – 20 feet per second (the negative velocity indicates that the object is moving towards the ground). Given that the acceleration due to gravity of ...
Friday, April 20, 2012 at 4:41pm by Marie

physics
An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero ...
Saturday, November 21, 2009 at 6:32pm by maggie

physics
An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero ...
Sunday, November 22, 2009 at 12:44pm by Maggie

physics
An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero ...
Monday, November 23, 2009 at 9:16am by julia

physics
an object held in the air has a gpe of 470 J. the object then is dropped. halfway down, what is the objects kinetic energy?
Monday, May 25, 2009 at 2:01pm by kyle

physics
An object with uniform motion traveled 265cm in 2.4 seconds. how much time did the object take to travel the last 50cm?
Sunday, September 19, 2010 at 2:15pm by Rose

physics
A figure shows two forces acting on an object. They have magnitudes F1 = 6.3 N and F2 = 2.1 N. What third force will cause the object to be in equilibrium?
Friday, December 3, 2010 at 1:31am by emerald

physics
A convex mirror with a radius of curvature of 10 cm (C=10 cm) produces a virtual image 1/3 the size of the real object. What is the object's distance?
Friday, December 3, 2010 at 11:25am by Tim

UK
The velocity of an object t seconds after it started moving is t(t-9). Find the total change in the object's position in the 6th second.
Wednesday, April 13, 2011 at 9:33pm by Anonymous

Physics
An object's moment of inertia is 2.5 kgm^2. Its angular velocity is increasing at the rate of 3.0 rad/s^2. What is the torque on the object? In N*m units
Saturday, July 23, 2011 at 5:40pm by falcon306

physics
Assume the mass of the object remains constant. If the Kinetic Energy of an object changes by 1/3, by what factor has its speed changed?
Thursday, October 13, 2011 at 9:26pm by Jonny

physics
a 2.0kg object is pulled horizontally by a force of 6.3N along the floor where the coefficient of kinetic friction is o.24. what is the object acceleration
Thursday, January 26, 2012 at 3:16pm by liz

science
fill in the blank:the ____, the force acting on an object, the greater the acceleration of the object. It is 6 letters and the third letter is R
Wednesday, September 26, 2012 at 7:15pm by amanda

pysical science
an object who's mass is 5.20kg has a gravitational potential energy of 10.30kJ. How highh above the ground is the object
Friday, October 12, 2012 at 3:18pm by paramount high

physics
If an object wishes to travel 165 km at a rate of 45 mi/hr...how long will it take the object to reach their destination in hours and minutes.
Friday, November 30, 2012 at 10:14am by Kaylee

Science
The dimensions of an object are 3.5 cm, 3.5 cm, and 2.9 cm. Its mass is 6.0g. Calculate the volume and density of the object. Will it float or sink? Please help me with my other question too. Thank you !!!
Tuesday, October 8, 2013 at 7:32pm by Bianca

physics
An object floats with half of its volume beneath the surface of the water. The weight of the displaced water is 2000N. What is the weight of the object? I'm confused by this problem. How would I go about solving this? My guess would be that the weight of the object is 2000N. ...
Monday, December 3, 2007 at 5:27pm by Tammy

physics
Object I is a solid cylinder with diameter d has resistance R. What would be resistance of another object made of the same material and with the same mass as Object I but has the cross section shown below (it is a hollow cylinder with outer diameter 2d and inner diameter d).
Thursday, March 21, 2013 at 10:10am by k

physics
Object I is a solid cylinder with diameter d has resistance R. What would be resistance of another object made of the same material and with the same mass as Object I but has the cross section shown below (it is a hollow cylinder with outer diameter 2d and inner diameter d). R...
Thursday, March 21, 2013 at 10:17am by k

science
1. How much potential energy does a 5kg block have if it is 2m above the ground? 2. What is the mass of an object that has 40J of potential energy and is 10m above the ground? 3. What is the weight of an 8kg object? 4. How much work does it take to lift an 8kg object 2m? 5. ...
Saturday, October 22, 2011 at 11:36pm by Dave

physics
A 1.90-kg object is attached to a spring and placed on frictionless, horizontal surface. A horizontal force of 14.0 N is required to hold the object at rest when it is pulled 0.200 m from its equilibrium position (the origin of the x axis). The object is now released from rest...
Wednesday, January 26, 2011 at 10:47pm by Roo Kun

Physics
An object of mass M = 1,114 g is free to move along a horizontal, frictionless surface. This object is further connected to a second object with a mass of m = 811 g by means of a massless string that extends around a massless, frictionless pulley. Find the tension of the ...
Saturday, October 10, 2009 at 1:29pm by Lisa

Chemistry
25.0 mL of ethanol (density = 0.789 g/mL) initially at 7.0 degrees celsius is mixed with 35.0 mL of water (density = 1.0 g/mL) initially at 25.3 degrees celsius in an insulated beaker. Assuming that no heat is lost, what is the final temperature of the mixture?
Thursday, February 9, 2012 at 3:34am by Elle

physics
A popular pastime is to see who can push an object closest to the edge of a table without its going off. You push the 100 g object and release it 2.90 from the table edge. Unfortunately, you push a little too hard. The object slides across, sails off the edge, falls 1.50 to ...
Wednesday, October 7, 2009 at 12:45pm by Kalen

math
An object's weight on the Moon is less than its weight on Earth. This is because the Moon exerts less gravitational force on an object than Earth does. The equation m = can be used to find an object¿s weight on the moon, where m is the object¿s weight on the Moon, and e is its...
Tuesday, April 5, 2011 at 9:37am by nmng

college algebra
Slopes are all around you! Take a look around where you are right now. You can calculate the slope of any object. For this assignment, find an object in your house, workplace, car, etc. and calculate its slope in inches. You will need a ruler for this activity. Remember, slope...
Sunday, October 24, 2010 at 2:44am by lasheena

English grammar
1. Sentence pattern four is composed of a subject, a verb, an indirect object, and a direct object. 2. Sentence Pattern Four is composed of a subject, a verb, an indirect object, and a direct object. 3. A pattern four sentence is composed of a subject, a verb, an indirect ...
Thursday, November 29, 2007 at 4:13pm by John

physics
an object weighing 15 newtons is lifted from the ground to a height of 0.22 meter. What is the approximate increase in the object's gravitational potential energy?
Wednesday, January 23, 2013 at 12:46pm by sarah

Physics
An object travels in a circular path of 5.0 meters at a uniform speed of 5. m/s. What is the magnitude of the object's acceleration? I do not know what formula I am suppose to use!
Monday, October 12, 2009 at 10:51pm by Sam

Physics
An object of mass 0.7 kg is thrown vertically upwards at a speed of 23 m/s. What is the gravitational potential energy of the object at the highest point of its trajectory?
Tuesday, November 17, 2009 at 1:34pm by Nikita

physics
I want to confirm if its true if one object is to exert a force on another, then the two objects must be touching or connected by a third object.
Tuesday, April 6, 2010 at 7:38pm by Anonymous

physics
A heavy object and a light object are dropped from rest at the same time in a vacuum. Which one will reach the ground first and why?
Friday, September 10, 2010 at 10:05pm by Jim

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

Search
Members