A 9.00 kg object starting from rest falls through a viscous medium and experiences a resistive force = b , where is the velocity of the object. The object reaches one half its terminal speed in 5.54 s. (a) Determine
28,054 results
physics
Three forces acting on an object are given by F1 = (  1.85i + 2.50j) N, F2 = (  5.10i + 3.25j ) N, and F3 = (  45.0i + 48.0j ) N. The object experiences an acceleration of magnitude 3.75 m/s2. (a) What is the direction of the acceleration? _________°

Physics
A 5.00 g object moving to the right at +20.0 cm/s makes an elastic headon collision with a 10.0 g object that is initially at rest. (a) Find the velocity of each object after the collision. 5.00 g object cm/s 10.0 g object cm/s (b) Find the fraction of

Precalculus
An object is attached to a coiled spring. The object is pulled down (negative direction from the rest position) 88 centimeters, and then released. Write an equation for the distance d of the object from its rest position, after t seconds if the

Physics
The launching mechanism of a toy gun consists of a spring of unknown spring constant, as shown in Figure P5.33a. If its spring is compressed a distance of 0.140 m and the gun fired vertically as shown, the gun can launch a 24.0 g projectile to a maximum

Physics
An object of mass 1.00 kg is attached to a vertical spring with spring constant 100 N/m. The object is held at rest in a position such that the spring is stretched upward a distance 1.00 cm beyond its undisturbed length. If the object is released, how far

physics
If a 5kg object experiences a 10 N force for a duration of 0.10 second then what is the momentum change of the object.

Physics
An object is released from rest on a planet that has no atmosphere. The object falls freely for 2.73 m in the ﬁrst second. What is the magnitude of the acceleration due to gravity on the planet?

Physics
An object is allowed to fall freely near the surface of an unknown planet. The object falls 80 meters from rest in 5.0 seconds. The acceleration due to gravity on that planet is? Would the answer be 16?

calculus help check and help
if an object with mass m is dropped from rest, one model for its speed v after t seconds, taking air resistance into account is v= mg/c(1e^(ct/m)) where g is the acceleration due to gravity and c is a positive constant describing air resistance. a)

Physics
1. A 10kg object is dropped from rest. After falling a distance of 50 m, it has a speed of 26 m/s. a. Write the expression for the change in mechanical energy caused by the dissipative (air) resistive force on the object during this descent. b. Calculate

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 falls freely from rest on a planet where the acceleration due to gravity is 27 m/s 2 . After 7 s, what will be its speed? Answer in units of m/s.

Physics
What is the moment of inertia of an object that rolls without slipping down a 2.00mhigh incline starting from rest, and has a final velocity of 6.00 m/s? Express the moment of inertia as a multiple of MR2, where M is the mass of the object and R is its

Physics
An object initially at rest experiences an acceleration of 9.8 m/s^2. How much time will it take to achieve a velocity of 58 m/s?

Physics 221
An object starts from rest at the origin and moves along the x axis with a constant acceleration of 4m/s^2. Its average velocity as it goes from x=2m to x=8m is: A. 1m/s B. 2m/s C. 3m/s D. 5m/s E. 6m/s An object is released from rest and falls a distance H

Physics (Conservation of momentum)
1. Which of Newton’s laws of motion states that an object at rest stays at rest and an object in motion stays in motion with the same speed and the same direction unless acted upon by an unbalanced force? A. Newton's Third Law of Motion B. Newton's

Physics
**I JUST NEED THE STEPS ON HOW TO SOLVE THE PROBLEMS** An object experiences an acceleration of 6.8m/s^2. As a result, it accelerates from rest to 24m/s. How much distance did it travel during that acceleration? A car which is traveling at a velocity of

Physics
3 kg object is fastened to a light spring with the intervening cord passing over a pulley. The pulley is frictionless and it's inertia may been neglected. The object is released from rest when the spring is unstretched. If the object drops 10 cm before

arithmatics
On the Moon, a falling object falls just 2.65 feet in the first second after being dropped. Each second it falls 5.3 feet farther than in the previous second. How far would an object fall in the first ten seconds after being dropped?

physics
A 9.00 kg object starting from rest falls through a viscous medium and experiences a resistive force = b , where is the velocity of the object. The object reaches one half its terminal speed in 5.54 s. (a) Determine the terminal speed. (b) At what time is

nusyu
A small, spherical bead of mass 3.00 g is released from rest at t = 0 from a point under the surface of a viscous liquid. The terminal speed is observed to be £oT = 2.00 cm/s. Find (a) the value of the constant b that appears in Equation 6.2, (b) the time

Science
Starting from rest, an object rolls down a long ramp with a constant acceleration of 1.72 m/s2. After rolling for 4.75 s, what is the magnitude of the ball’s final velocity? A. 9.81 m/s B. 8.17 m/s C. 6.30 m/s D. 4.09 m/s

Physical Science 2
Ten seconds after starting from rest,a freely falling object will have a speed of about______ rn/s A: 10 B: 50 C: 100 D: 120 I know that the answer A is not correct.

physics
A bicyclist rides 5.0km due east, while the resistive force from the air has a magnitude of 3.0N and points due west. The rider then turns around and rides 5.0km due west, back to her starting point. The resistive force from the air on the return trip has

physics
An object whose moment of inertia is 2.5 kg · m^2 experiences the torque shown in the figure below. What is the object's angular velocity at t = 1.6 s? Assume it starts from rest. webassign[.]net[/]knight[/]p1321[.]gif So far, I know that that to find

physics
a book accidentally falls from a shelf 4.2 m high.a librarian is standing nearby and moves .80m,starting from rest, to catch the book.what must be his average acceleration if he catches the book when it is 1.8m above the floor?

physics
Consider an object on which the net force is a resistive force proportional to the square of it's speed? For example assume the resistive force acting on a speed skater is f = kmv^2, where k is a constant and m is the skater's mass. The skater crosses the

physics
The launching mechanism of a toy gun consists of a spring of unknown spring constant, as shown in the figure below. If the spring is compressed a distance of 0.160 m and the gun fired vertically as shown, the gun can launch a 21.0g projectile from rest to

physics
an object is released from rest on a planet that has no atmosphere.the object falls freely for 3.46 m in the first second.what is the magnitude of the acceleration due to the gravity on the planet?

physics
Two mountain climbers are working their way up a glacier when one falls into a crevasse. The icy slope can be considered frictionless. Sue's (the one who fell) weight is pulling Paul up the 45 degree slope. If Sue's mass is 66 kg and if she falls 2 min 10

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

physics
Three forces acting on an object are given by F1 = ( 1.95i  1.60j ) N, F2 = (  4.50i  3.25j ) N, and F3 = ( 46.0j ) N. The object experiences an acceleration of magnitude 3.85 m/s2 (a) What is the direction of the acceleration? (b) What is the mass of

physics
Two forces of equal magnitude act on the same object. Which of the following must be true? a. The object is moving. b. The object is accelerating. c. If the object is initially at rest, it cannot remain at rest. d. The two forces form a thirdlaw pair. e.

physics
On the Moon, a falling object falls just 2.65 feet in the first second after being dropped. Each second it falls 5.3 feet farther than in the previous second. How far would an object fall in the first ten seconds after being dropped?

College Physics
If the spring is compressed a distance of 0.150 m and the gun fired vertically as shown, the gun can launch a 27.6g projectile from rest to a maximum height of 16.1 m above the starting point of the projectile. Neglecting all resistive forces, determine

physics
An object is released from rest and falls in free fall motion. The speed v of the object after it has fallen a distance y is given by v2 = 2gy. In an experiment, v and y are measured and the measured values are used to calculate g. If the percent

physics
two masses are attached to both ends of a flexible cord passing through a friction less pulley. if the system is at rest, find the tensions at object A and object B. Object A = Object B. A=60 grams.

Physics
Starting from rest, a 6.70 kg object falls through some liquid and experiences a resistive (drag) force that is linearly proportional to the velocity of the object. It's measured that the object reaches half its terminal speed at 4.50 s. a) What is the

physics
A small sphere of mass m = 0.520 kg is dropped from rest into a viscous liquid in which the resistive force on the sphere can be expressed as FD = −bv, and reaches onefourth of its terminal speed in 3.14 s. (a) What is the terminal speed of the sphere?

science
A drop of mass 2.0 g falls from a cliff of height 1.0 km. It hits the ground with a speed of 50.0 m/s. The work done by resistive force is 1. 10j 2. 12.50j 3. 15.5j 4. 17.50j solution: I think change in kinetic energy can give me work done. But how to

math
the distance, d, an object falls when dropped from a tower varies directly as the square of the time it falls. If the object falls 144 feet in 3 seconds, how far will it fall in 11 seconds?

intro to physics
A small object of mass m = 2.25 kg is released, starting at rest, from a height h above the ground on a ramp inclined at 45.0o (see figure below). The object reaches the bottom of the ramp and enters a looptheloop of radius R = 1.25 m. There is no

Physics
An object initially at rest experiences an acceleration of 1.4m/s2 for 8.0s and then travels at that constant velocity for another 6.0s . What is the object’s average velocity over the 14s interval?

physics
A uniform disk of radius 0.48 m is mounted on a frictionless, horizontal axis. A light cord wrapped around the disk supports a 1.4 kg object, as shown. When released from rest the object falls with a downward acceleration of 3.6 m/s^2. What is the moment

physics
An object falls a distance h from rest. If it travels 0.45h in the last 1.00 s, find the time and the height of its fall.

physics
An object is released from rest on a planet that has no atmosphere. The object falls freely for 5.02 m in the ﬁrst second. What is the magnitude of the acceleration due to gravity on the planet? Answer in units of m/s can someone help me please? i tried

math
Nellie is 25 years old and just starting her retirement savings. Which breakdown of investments would a financial adviser most likely suggest for Nellie at this point in time? A. 0% highrisk, 20% mediumrisk, 80% lowrisk B. 10% highrisk, 20%

physics
1. An object traveling at a constant speed of 22m/s begins to experience a force of 15N in the opposite direction of its motion. (Hint given: Start by finding objects acceleration) a. How long will it take for the 8kg object to come to a complete stop once

Physics
A ray of light of frequency is 5.09 x 10^14 Hz is traveling from water to medium X. The angle of incidence in water is 45 degrees and the angle of refraction in Medium X is 29 degrees. The index of refraction of Medium X is 1.94. Calculate the wavelength

Calculus
An object at rest begins moving horizontally on the xaxis, starting at position x(t) = 0 feet at time t = 0 seconds.Suppose, after exactly 2 seconds we measure the position of the object to be 3 feet to the right of the origin AND measure the object to be

physics
A 2.7 kg object falls from a tower. It experiences 2.3 N of air resistance. What is the acceleration?

science
A drop of mass 2.0 g falls from a cliff of height 1.0 km. It hits the ground with a speed of 50.0 m/s. The work done by resistive force is 1. 10j 2. 12.50j 3. 15.5j 4. 17.50j solution: I think change in kinetic energy can give me work done. B ut how

physics
A spherical mass 'm'is dropped vertically off a building starting from rest and 'y=0'.the mass experience a resistive force 'FR=bv'.let 'r=b/m'.find the position'y(t)'of mass???

Math
When an object is droped from a certain height , it's distance from the starting point varies as the square of the time it has been falling . If a body falls through 288m in 6 seconds then what is the distance covered by the object in the tenth second?

physics
A spherical mass 'm'is dropped vertically off a building starting from rest and 'y=0'.the mass experience a resistive force 'FR=bv'.let 'r=b/m'.find the position'y(t)'of mass??? pizzzzzzzzzzz help me.........

Physics
An object initially at rest experiences an acceleration of 1.4 m/s² for 5.6 s then travels at that constant velocity for another 9.3 s. What is the magnitude of the object’s average velocity over the 14.9 s interval?

College Physics
An object initially at rest experiences an acceleration of 1.4 m/s^2 for 5.0s and then travels at that constant velocity for another 7.0s. What is the object's average velocity over the 12s interval?

Physics
A net force of 20N acts on a 5kg object.Determine how far the object travels starting from rest to acquire a speed of 8m/s

physics
An object is released from rest on a planet that has no atmosphere. The object falls freely for 5.03 m in the first second. What is the magnitude of the acceleration due to gravity on the planet? Answer in units of m/s2

Physics
A certain object of mass 0.50 kg moves along the xaxis. Its potential energy is given by U = 3x2 + 8x. Starting at rest, the object is released at the origin. (a) Find the maximum speed attained by the object. (b) Find the position about which it

Physics
A bicyclist rides 2.78 km due east, while the resistive force from the air has a magnitude of 6.52 N and points due west. The rider then turns around and rides 2.78 km due west, back to her starting point. The resistive force from the air on the return

science
On the planet mars, a free falling object released from rest falls 4m in 1s and is moving at 8m/s at that time. How fast would such an object moving after 2 seconds? 3 seconds?

physical
Two mountain climbers are working their way up a glacier when one falls into a crevasse. The icy slope can be considered frictionless. Sue's weight is pulling Paul up the 45* slope. If Sue's mass is 66kg and if she falls 2m in 10s starting from rest, find

physics
Starting from rest, a ball of mass 5 kg experiences a constant force of 40 N for 12 s. What is the final kinetic energy (in J) of the ball after 12 s?

Physics
Starting from rest, a ball of mass 3 kg experiences a constant force of 21 N for 12 s. What is the final kinetic energy (in J) of the ball after 12 s?

physics
An object falls a distance h from rest. If it travels 0.43h in the last 1.00 s, find (a) the time and (b) the height of its fall.

physics
An object is dropped from rest at a height of 112 m. Find the distance it falls during its final second in the air. m

Physics
Starting from rest, a ball of mass 4 kg experiences a constant force of 8 N. What is the final kinetic energy (in J) of the ball after it has traveled a distance of 1 m?

Calculus
An object moves in the xyplane so that its velocity vector for 0

Physics
A small object, which has a charge q = 6.7 µC and mass m = 9.60 105 kg, is placed in a constant electric field. Starting from rest, the object accelerates to a speed of 2.06 103 m/s in a time of 1.03 s. Determine the magnitude of the electric field.

physics
I need some help and I was wondering if you guys could give me some hints and stuff. thanks a lot!! Question 1 A force causes a certain acceleration. What acceleration would half of the original force cause? a. The same amount b. 1/2 times c. 4 times d. 2

physics
a proton starting from rest falls through a potential difference of 10^6v what is its final KE and final velocity?

Physics
A 100kg object rests on a level surface with a coefficient of friction (both kinetic and static) of 0.40. If the initial velocity is 15m/s and the object comes to rest, (a) how much friction is acting on the object? (b) What is the objects 's acceleration

Physics
A uniform disk of radius 0.45 m is mounted on a frictionless, horizontal axis. A light cord wrapped around the disk supports a 1 kg object, as shown. When released from rest the object falls with a downward acceleration of 4.5 m/s^2. What is the moment of

physics
calculate the momentum of an object if: a. its mass is 4kg and its velocity is 8m/s b. its mass is 500g and its velocity is 3m/s c. a force of 20N is applied to it for 6s and it moves from rest D. its mass is 2kg and it falls from rest for 10s (assume g =

physical science
How much work is done by the gravitational force on an object of mass 9.40 kg that is initially at rest when it falls down for a time of 1.85 seconds. Ignore air resistance

Physics
Force F causes displacement d of a 20Kg object starting from rest along a frictionless path. F= 10 N i + 50 N j + 15 N k and d= 10 m i + 60 m k A) Calculate the work done by the force. B) Calculate the angle between the vectors F and d. C) Calculate the

physics
Please how do i solve this? A body of mass 36kg falls through a viscous liquid which offers a drag of 260N on the body. The upthrust on the body at terminal velocity is?

physics
an object undergoes an acceleration of 10m/s2 starting from rest. find the distance travelled by it in seconds

Physics
An object with a mass of 49 N falls out of a plane going 20.0 m/s at 300 m above the ground. 1)How do I find the time that the object is in the air? 2)The horizontal distance of the object? Could someone help me out?

Physics
If the spring is compressed a distance of 0.144 m and the gun fired vertically as shown, the gun can launch a 18.5g projectile from rest to a maximum height of 19.5 m above the starting point of the projectile. Neglecting all resistive forces, determine

physics
A 100 gram resistive slider (thick line) moves without friction along a vertical Ushaped conducting track (thin line) that is 50 centimeters wide in a magnetic field of 5 Tesla as shown. The slider's resistance is 20 Ohms. It falls under the influence of

magnets
A 100 gram resistive slider (thick line) moves without friction along a vertical Ushaped conducting track (thin line) that is 50 centimeters wide in a magnetic field of 5 Tesla as shown. The slider's resistance is 20 Ohms. It falls under the influence of

electromagnets
A 100 gram resistive slider (thick line) moves without friction along a vertical Ushaped conducting track (thin line) that is 50 centimeters wide in a magnetic field of 5 Tesla as shown. The slider's resistance is 20 Ohms. It falls under the influence of

electromagnets
A 100 gram resistive slider (thick line) moves without friction along a vertical Ushaped conducting track (thin line) that is 50 centimeters wide in a magnetic field of 5 Tesla as shown. The slider's resistance is 20 Ohms. It falls under the influence of

Electromagnetics
A 100 gram resistive slider (thick line) moves without friction along a vertical Ushaped conducting track (thin line) that is 50 centimeters wide in a magnetic field of 5 Tesla as shown. The slider's resistance is 20 Ohms. It falls under the influence of

Physics
Object A crashes into object B. A is more massive than B. Which is a true statement? a. A experiences an impulse b. B experiences an impulse c. Both A and B experience an impulse of equal magnitude d. Both A and B experience an impulse, but the impulse on

Physics
an object falls from the beach 45 meters above the water it falls directly into a boat which moves at a constant speed that was initially 12 meters from the point of impact when the object was released what was the speed of the boat

physics
note ... find acceleration by using distance and time (ignore ”incline” ... just treat it like linear motion of object starting from rest). A 1.8 kg mass starts from rest and slides down an inclined plane 8.8×10−1 m long in 0.54 s. What net force is

Math
Hi I am after some help starting this question. A local hardware store sells three types of boxes; small, medium and large. The cost of the boxes are; small $10, medium $20 and large $30. In the previous week a total of 1200 boxes were sold resulting in

science
A mass m=5.2 kg is attached to the end of a spring with a spring constant of k=15.6 N/m. The mass moves through a viscous damping medium with a damping constant b=1.8 kg/s giving a velocity dependent damping force Fdamp= bv. The motion occurs in zero

Math Help Please
I got this problem today in school, and I don't know how to go about soving it. Can someone show me. Thanks. Here it is. The distance s(t) between an object and its starting point is given by the antiderivative of velocity function v(t). Find the distance

Math/ Calculus Please HELP!!!
An object at rest begins moving horizontally on the xaxis, starting at position x(t) = 0 feet at time t = 0 seconds.Suppose, after exactly 2 seconds we measure the position of the object to be 3 feet to the right of the origin AND measure the object to be

MATH please help
An object at rest begins moving horizontally on the xaxis, starting at position x(t) = 0 feet at time t = 0 seconds.Suppose, after exactly 2 seconds we measure the position of the object to be 3 feet to the right of the origin AND measure the object to be

Big MATH Help needed
An object at rest begins moving horizontally on the xaxis, starting at position x(t) = 0 feet at time t = 0 seconds.Suppose, after exactly 2 seconds we measure the position of the object to be 3 feet to the right of the origin AND measure the object to be

Math
An object at rest begins moving horizontally on the xaxis, starting at position x(t) = 0 feet at time t = 0 seconds.Suppose, after exactly 2 seconds we measure the position of the object to be 3 feet to the right of the origin AND measure the object to be

Pre calc
Thanks in advance for any help. I need help with this whole problem. The distance s(t) between an object and its starting point is given by the antiderivative of the velocity function v(t). Find the distance between the object and its starting point after

physics
Given that an iron ball falls in glycerine contained in a jar where the viscous force F depends on terminal velocity V radius R of the ball and the coefficient of viscosity obtain and name the mathematical expression suitable for the relationship btw the

Physics
An object is released from rest and falls in free fall motion. The speed v of the object after it has fallen a distance y is given by v2 = 2gy. In an experiment, v and y are measured and the measured values are used to calculate g. If the percent

Physics Mechanics
An object experiences an impulse o 43.78 Ns for a time period of 12.52 s. what is the force of the object?