The force on an object is described as a function of time equation: F(t) = 3t^2+7t What is the impulse delievered by the force over a period of time from 0 to 5.0s? What is the average force exerted on
102,515 results
Science
True / False: If a 40 kg person is accelerating at 10 m/s^2,then the magnitude of the force acting on him or her is 400 N. 1.How much force is needed to make a 60 kg object accelerate at a rate or 2.0 m/s ^2? 2.What is the acceleration of a 30 kg objedct

Physics please help?????
(a) At a certain instant, a particlelike object is acted on by a force F=(2.9N)i(1.7N)j+(5.7N)k while the object's velocity is v= (3.2m/s)i+(4.5m/s)k. What is the instantaneous rate at which the force does work on the object? (b) At some other time, the

physics
The position of an object as a function of time is given as x = At3 + Bt2 + Ct + D. The constants are A = 2.3m/s3, B = 1.8m/s2, C = −4.3m/s, and D = 2 m.(a) What is the velocity of the object at t = 12s? (b) What is the acceleration of the object at t =

calculus
Suppose the following about a certain object: I. The object's altitude is a function of time, represented by the function A(x) where here x is time. II. The temperature of the object is a function of its velocity, represented by the function T(x), where

Physics
Please Help. A 5 kg object is propelled from rest at time t=0 by a net force F that always acts in the same direction. The magnitude of F in newtons is given as a function of t in seconds by F= 0.5t. What is the speed of the object at t =4s?

Physics
A 10.0kg object experiences a drag force due to air resistance. The magnitude of this drag force depends on its speed, and obeys the equation Fdrag =(12.0 Ns/m)v + (4.00 Ns2/m2)v2. (a) What is the terminal speed of this object if it is falling due to

physical
staring from rest, a 3.5 kg object is acted upon by an unbalanced force and acquires a speed of 14.0 m/s after moving a distance of 35 m. find (a) the acceleration of the object, (b) the unbalanced force acting on the object, and (c) the time it takes for

physics
An object is moving along a straight line. The graph shows the object's velocity as a function of time. . What is the acceleration of the object in the interval from t = 5 s to t = 6 s?

physics
What equation gives the position as a function of time for an object with constant acceleration?

physics
A stationary 1.67 kg object is struck by a stick. The object experiences a horizontal force given b F = atbt^2, where t is the time in milliseconds from the instant the stick first contacts the object. If a = 1500 N/ms and b = 20N/ms^3, what is the speed

physics
An object in space is initially stationary relative to the Earth. Then, a force begins acting on the object, starting with a force of 0 N, and increasing at a uniform rate until the magnitude of the force is 58 N after the force has acted for 25 s. The

physics
a constant force can at on an object for diferrent lengths of time. as the length of time the force acts increases, the impulse imparted to the object increases decreases remians the same

physics
In this problem you will determine the average velocity of a moving object from the graph of its position as a function of time . A traveling object might move at different speeds and in different directions during an interval of time, but if we ask at

physics...PLZ HELP! =)
A constant force acts on a moving object. The object makes a fixed magnitude of displacement in some direction. In general, in what direction is the displacement that will result in the object traveling with the least kinetic energy after the displacement

trig
An object suspended from a spring is oscillating up and down. The distance from the high point to the low point is 30 cm, and the objects take 4 sec to complete 5 cycles.For the first few cycles the distance from the mean position, d(t), in cm with respect

science
Object A and B both start at rest. They both accelerate at the same rate. However , object A accelerates for twice the time as object B. What is the distance traveled by object A compared to that of object B? a) the same distance B) twice as far c) three

physics
An object has a force of 10 newtons from the right and 17 newtons from the left. Once the object starts moving toward the right, an additional force of 7 newtons is applied from the right. What can you conclude about the direction of motion of the object

Science
When a nonzero net force acts on an object the force A.changes the motion of the object B.Must be greater than the reaction force C.Does not change the motion of the object D.is equal to the weight of the object

College Physics
The graph shows the force exerted on an object versus the position of that object along the xaxis. The force has no components other than along the xaxis. If z is an increment of 25, then what is the work done by the force on the object as the object is

Physics
A 5.57kg object passes through the origin at time t = 0 such that its x component of velocity is 5.25 m/s and its y component of velocity is 3.15 m/s. (a) What is the kinetic energy of the object at this time? (b) At a later time t = 2.00 s, the particle

Science
Study the scenario. An object is at rest. At five seconds, someone comes over and pushes the object with a force of 3 N to the right. Which of the following choices describes the force needed to keep the object in static equilibrium? a. A force of 3 N to

physics
An object has a force of 10 newtons from the right and 17 newtons from the left. Once the object starts moving toward the right, an additional force of 7 newtons is applied from the right. What can you conclude about the direction of motion of the object

Physics
The position of an object as a function of time is given as x = At3 + Bt2 + Ct + D. The constants are A = 3.2 m/s3, B = 1.8 m/s2, C = −4.2 m/s, and D = 7 m. At what time(s) is the object at rest?

Physics/Math
A single force acts on a 5.0 kg particlelike object in such a way that the position of the object as a function of time is given by x = 3.0t  4.0t 2 + 1.0t 3, with x in meters and t in seconds. Find the work done on the object by the force from t = 0 to

Physics
At a certain instant, a particlelike object is acted on by a force F = (4.0 N)  (2.0 N) + (9.0 N) while the object's velocity is v =  (2.0 m/s) + (4.0 m/s) . What is the instantaneous rate at which the force does work on the object? At some other time,

phy
Two constant forces act on an object of mass m = 4.50 kg object moving in the xy plane as shown in the figure below. Force 1 is 21.0 N at 35.0°, and force 2 is 47.0 N at 150°. At time t = 0, the object is at the origin and has velocity (3.70 + 2.25) m/s.

precalc
An object is attached to a coiled spring. The object is pulled down (from its rest position) and then released. Given that the distance from its rest position at time t = 0 is 3 inches, its amplitude is 3 inches, and its period is 1.5 seconds, write an

Calculus AP Exam review explanation pls
1) The average value of the function g(x) = 3^cos x on the closed interval [ − pi , 0 ] is: 2)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 =

Physics
Under what condition can a force act on an object and yet do no work on that object? A. The object moves with no acceleration. B. The object does not move. C. The net force on the object is 0. D. The force operates under constant power. E. None of the

Calculus (Momentum and Force)
The change in the momentum of an object (Ä p) is given by the force, F, acting on the object multiplied by the time interval that the force was acting: Ä p = F Ät . If the force (in newtons) acting on a particular object is given by F(t)=cost , what’s

math
using this information: if an object is thrown straight up into the air from the height H feet per second then at time tseconds the height of the object is 16.1t^2 +Vt+ H feet. This formula uses only gravitational force, ignoring air friction. It is valid

physics
A force F applied to an object of mass m causes it to move in a straight line a distance D during an interval of time T. The object gains kinetic energy K during this interval. In which of the following cases will the object gain the same kinetic energy K?

Physics
the displacement of an object of 1 kg mass as a function of time t in xy plane is given by x = 20t + 30t^2 and y = 25  40t in the units of meters the units of x and y are in meters and t is in seconds the force acting on the object is and then there's

Physics
An object in space is initially stationary relative to the Earth. Then, a force begins acting on the object, starting with a force of 0 N, and increasing at a uniform rate until the magnitude of the force is 56 N after the force has acted for 10 s. The

physics
Q: AN OBJECT IS MOVING PAST YOU IN A STRAIGHT LINE WITH A CONSTANT SPEED. YOU CAN CONCUDED A. THAT THERE IS A CONSTANT FORCE IN THE DIRECTION OF MOTION B. THAT THERE ARE NO FORCES ACTING ON THE OBJECT C. THAT THE NET FORCE ON THE OBJECT IS ZERO D. NONE OF

physics
lots of questions 1) a 2N and 6N force pull on an object to the right and a 4N force pulls to the left a 0.5 kg object what is the net force on the object 2)a 20mkg bike accelerates at 10m/s2 with what force was the person pedaling 3)if a person is pushing

physics
In the simulation above the motion continues for 3 seconds. If the object travels a distance of 21.3 m in that time determine: (a) the acceleration of the object during the 3 second period, (b) the maximum speed of the object during the 3 second period.

math. can someone explain this!
using this information: if an object is thrown straight up into the air from the height H feet per second then at time tseconds the height of the object is 16.1t^2 +Vt+ H feet. This formula uses only gravitational force, ignoring air friction. It is valid

Physics
(a) At a certain instant, a particlelike object is acted on by a force F=(2.9N)i(1.7N)j+(5.7N)k while the object's velocity is v= (3.2m/s)i+(4.5m/s)k. What is the instantaneous rate at which the force does work on the object? (b) At some other time, the

Physics
A constant unbalanced force is applied to an object for a period of time. What would the graph look like as acceleration as a function of elapsed time?

physics
What does it mean to say the Coulomb Force is a conservative force? This is what I have compiled, but I still feel like I'm missing something. A conservative force is one in which energy cannot be created nor destroyed, and with the property that the work

Physics
the displacement of an object of 1 kg mass as a function of time t in xy plane is given by x = 20t + 30t^2 and y = 25  40t in the units of meters the units of x and y are in meters and t is in seconds the force acting on the object is and then there's

MATH
The height h in feet of an object after t seconds is given by the function h=16t^2+60t+9.... How long will it take the object to hit the ground? Round your answer to the nearest thousandth.... when it hits the ground, h is zero. So you have a quadratic

Algebra
The height h in feet of an object after t seconds is given by the function h=16t^2+70t+5. How long will it take the object to hit the ground? Round your answer to the nearest thousandth. If that is the function, you need to have a value for the height to

Physics
A single force acts on a 1.1 kg particlelike object in such a way that the position of the object as a function of time is given by x = 4.1t  3.6t2 + 4.5t3, with x in meters and t in seconds. Find the work done on the object by the force from t = 0 to t

Algebra
"The table shows how far Object 1 traveled as a function of time. ___________________________________ Time (sec) Distance Traveled (ft) x  y ___________________________________ 2  18 4  36 6  54 8  72 ___________________________________ The equation

Physics/Math
A single force acts on a 5.0 kg particlelike object in such a way that the position of the object as a function of time is given by x = 3.0t  4.0t 2 + 1.0t 3, with x in meters and t in seconds. Find the work done on the object by the force from t = 0 to

Physics (Liquids)
I have a question about fluids ok... I've been told that Pressure = (density of fluid) (gravity) (height) ok that's great in all but I don't see how it works... Pressure = (Force perinduclar to area force is acting on)/(Area force is acting on) ok this

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

Physics/Math
At a certain instant, a particlelike object is acted on by a force F = (3.0 N) i  (1.0 N) j + (8.0 N) k while the object's velocity is v =  (2.0 m/s) i + (4.0 m/s) k. What is the instantaneous rate at which the force does work on the object? (b) At some

physics
The volume, V, of an object is given as a function of time by equation Where t, is time. Assuming that the equation is dimensionally correct, which of the following is the correct representation of the dimensions for X, Y and Z? Select one: a. X = L Y = L

Physical science
An object is on a horizontal surface,three force act horizontal on the object.3N to the left,12N to the right,in to the left.at the same time,another three force act vertically on the object,4N upwards,10N downward,2N downwards determine the resultant

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 forcethe net

physics
An object has a force of 10 newtons from the right and 17 newtons from the left. Once the object starts moving toward the right, an additional force of 7 newtons is applied from the right. What can you conclude about the direction of motion of the object

Physics
The force on an object is described as a function of time equation: F(t) = 3t^2+7t What is the impulse delievered by the force over a period of time from 0 to 5.0s? What is the average force exerted on an object over this time period? If the object has a

Physics
In a 1dimensional problem, a single force acts on a 10 kg object and is given the equation F=ax+b where a=250 N/m, b=25 N, x is position of object. There is a force acting on the object while that object moves from x=0 to x=2 lasting 3 sec. 1) What is the

Physics...seriously seriously need help esp part C
The coordinate of a 2.00kg object in linear motion is described by the function: x(t)= (2.00m/s^3)t^3 (7.00m/s^2)t^2 + (7.00m/s)t for the time interval t= 0s to t= 2.00s. The center of mass of this object can be treated as a point particle. a) find change

Physics
Consider a 4.6 kilogram object moves from the origin always to the right (call that xaxis). Its speed increases uniformly (means constant acceleration) from zero to 0.667 metres/sec. 1.Describe how its velocity changes: initial, final and whether it

Math Methods
Time–lapse photography is used to track the height of an object in metres. The following heights were recorded at times 0.2s, 1.2s and 2.1s respectively: 9.203m, 14.344m and 10.591m. a) Determine an equation to model the height of the object over time,

Calculus
I am stuck on both of these questions. Would you please tell me if my reasoning is correct? 1. An object is dropped off a building. When comparing the average velocity of the object over equal time intervals, explain the difference between early time

Physics
A 3 kg object initially at rest is acted on by a nonconstant force which causes it to move 3 m. The force varies with position as shown in the figure. a) How much work is done on the object by this force? b) What is the final speed of the object as it

physic
A particle is pushed horizontally by a constant horizontal force of magnitude F, which starts from the rest at x=0 in the positive ݔ direction. During the movement, it is also acted by the air resistance force that equivalent to bv, where b is the

physics
An object has the following equation of motion (equation describing its position as a function of time). x(t) = x0 where x0 = −2.3 m. What is the object’s position at time t = 23 s? What is its velocity?

math
using this information: if an object is thrown straight up into the air from the height H feet per second then at time tseconds the height of the object is 16.1t^2 +Vt+ H feet. This formula uses only gravitational force, ignoring air friction. It is valid

calculus
From the top of a 225 meter building, an object is thrown upwards at an initial speed of 16.7 m/s. Neglecting air resistance: a) Determine the function of the object's velocity. Would it be: V = Vo  g*t? b) Determine the function for the position of the

Physics
(a) At a certain instant, a particlelike object is acted on by a force F = (3.0 N)  (1.0 N) + (8.0 N) while the object's velocity is v =  (2.0 m/s) + (4.0 m/s) . What is the instantaneous rate at which the force does work on the object? W (b) At some

physics
(a)At a certain instant, a particlelike object is acted on by a force F = (4.0 N)i  (2.0 N)j + (9.0 N)k while the object's velocity is v =  (2.0 m/s)i + (4.0 m/s)k . What is the instantaneous rate at which the force does work on the object? (b)At some

physics
Question: Object A is moving at a maximum speed of 6m/s towards Object B. At 50 m away Object B accelerates from the approaching Object A at 0.3m/s^2. Does Object A catch up to Object B and if yes when? I don't know how to answer this at all or even which

PHYSICS
If the object travels a distance of 33.0 m in that time determine the following. (a) The acceleration of the object during the 3 second period. [ is the answer 33/9?] m/s2 (b) The maximum speed of the object during the 3 second period. [is the answer 11?]

physics!!
The figure below shows the acceleration as a function of time for an object. (a) If the object starts from rest at t = 0, what is the velocity of the object as a function of time? for 0s < t < 10s v(t) = m/s for 10s < t < 26s v(t) = m/s (b) If the object

physics!!
The figure below shows the acceleration as a function of time for an object. (a) If the object starts from rest at t = 0, what is the velocity of the object as a function of time? for 0s < t < 10s v(t) = m/s for 10s < t < 26s v(t) = m/s (b) If the object

Physical science
An object is on a horizontal surface,three force act horizontal on the object.3N to the left,12N to the right,in to the left.at the same time,another three force act vertically on the object,4N upwards,10N downward,2N downwards determine the resultant

Re: Physics/Math
A single force acts on a 5.0 kg particlelike object in such a way that the position of the object as a function of time is given by x = 3.0t  4.0t 2 + 1.0t 3, with x in meters and t in seconds. Find the work done on the object by the force from t = 0 to

Physics
One object is thrown straight up at 54.9 m/s from the ground at the base of a building with is 157.9 meters tall. At the same time the object is thrown up at the bottom of the building, another object is thrown straight down at the top of the building. If

active physics
from the question we just did, how much force is neede to stop in 20 seconds! OK. think it through. If it's going at 10 m/s, and then it stops, what is it's change in velocity? is it 10 Yes, now it takes 20 seconds, so what is its acceleration (actually

physics
1. the applied force on a stationary object is less than the maximum force of static friction. Which of the statements are false a) the object will move backwards b) the actual force of static friction will be equal to the applied force c) the object will

Physics
What equation gives the velocity as a function of time for an object with constant acceleration?

Math
an object is moving along the xaxis such that the position of the object in masters at time t in seconds is giving by the function x(t)=t^312t^2+36t5, for 0

physics
an object's acceleration is given by the function a= 2/v^2, determine an expression for the velocity of the object as a function of time. (at t= 0, v=0)

physics
an object's acceleration is given by the function a= 2/v^2, determine an expression for the velocity of the object as a function of time. (at t= 0, v=0)

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

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 forcethe net force on the

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 forcethe net force on the object is zero, so the

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 forcethe net force on the object is zero, so the

Physics
Hello, If I need to find out how long it takes for an object acted on by a force takes to change speed by 1.0m/s^1 and I know the magnitude of the force can I use the following equation? a=v2v1/t in order to establish the time taken?

physics
At a certain instant, a particlelike object is acted on by a force F = (4.0 N) ihat  (3.0 N) jhat + (9.0 N) khat while the object's velocity is v =  (2.0 m/s) ihat + (4.0 m/s) khat. What is the instantaneous rate at which the force does work on the

Calculus
An object located at a distance x (in meters) from a fixed starting point, moves on a rectilinear road under the action of a force F defined by F(x)=4x^2  x^3 (in Newtons). What is the work done by this force to move the object from 1m to 3m? I just want

precalculas
An object is situated so that its center of mass is located at the origin.Three forces X,Y, and Z act on the object at the same time. Force X passes through the point (3, 4), forve Y passes through the point (5,12), and force Z passes throught the point

Physics
How fast would a bird move in the air if it were flying with a speed of 50 m/h directly into a strong wind of 50 m/h? a) 50 m/h b) 100 m/h c) 0 m/h What is the resultant of a 6 N east force pushing on an object and a 8 N force acting on an object at the

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 forcethe net force on the object is zero, so the

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 forcethe net force on the object is zero, so the

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 forcethe net force on the object is zero, so the

PHYSICS
Q: AN OBJECT IS MOVING PAST YOU IN A STRAIGHT LINE WITH A CONSTANT SPEED. YOU CAN CONCUDED A. THAT THERE IS A CONSTANT FORCE IN THE DIRECTION OF MOTION B. THAT THERE ARE NO FORCES ACTING ON THE OBJECT C. THAT THE NET FORCE ON THE OBJECT IS ZERO D. NONE OF

Math
1) When will the dependent variable in the equation y=√x+43 equal or exceed to 4? A) x > or equal to 0.17 B) x > or equal to 45 C) x > or equal to 48 D) x > or equal to 53 2) The function t=√d/16 models the time (t) in seconds that an object has been

Calc
1. Differentiae each function a) Y=3x^2+5x4 b) F(x) = 6/x3/x^2 c) F(x)=(3x^24x)(x^3+1) 2. Determine the equation of the tangent line to the curve y=2x^21 at the point where x=2 3. Evaluate, rounding to two decimal places, If necessary a) In 5 b) b)

science
1.act against the direction of motion and gets larger as an object moves faster 2. an object acted upon by a net force will accelerate in the direction of that force. 3.the speed an object reaches when the force of gravity is balanced by the force of air

science
1.act against the direction of motion and gets larger as an object moves faster 2. an object acted upon by a net force will accelerate in the direction of that force. 3.the speed an object reaches when the force of gravity is balanced by the force of air

Applied Physics
A 10 kilogram object subjected to a 20 Newton force moves across a horizontal frictionless surface in the direction of the force. Before the force was applied, the speed of the object was 2.0 meters/second. When the force is removed the object is traveling

physics
A 1.8kg object moves in the x direction according to the following function: x(t) = 2t2 + 3t − 5 (SI units). What is the force on the object after 2.7 s?

Physics
How fast would a bird move in the air if it were flying with a speed of 50 m/h directly into a strong wind of 50 m/h? a) 50 m/h b) 100 m/h c) 0 m/h* What is the resultant of a 6 N east force pushing on an object and a 8 N force acting on an object at the