Question

A particle of mass m=0.2kg moves in the xy plane subject to a force such as...

A particle of mass m=0.2kg moves in the xy plane subject to a force such as that its position as a function of time is given by the vector r(t)= (3.0m/s2)t*2i+[12.0m-(2.0m/s*3)t*3]j
what is the magnitude of the torque on the particle about the origin at the moment when the particle reaches the x axis?
Math   Calculus   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A particle moves in the xy plane. Its position vector function of time is ?⃑ =...
A particle moves in the xy plane. Its position vector function of time is ?⃑ = (2?3 − 5?)?̂ + (6 − 7?4)?̂ where r is in meters and t is in seconds. a) In unit vector notation calculate the position vector at t =2 s. b) Find the magnitude and direction of the position vector for part a. c) In unit vector notation calculate the velocity vector at t =2 s. d) Find the magnitude and direction of the...
A particle is to move in an xy plane, clockwise around the origin as seen from...
A particle is to move in an xy plane, clockwise around the origin as seen from the positive side of the z axis. In unit-vector notation, what torque acts on the particle at time t = 7.6 s if the magnitude of its angular momentum about the origin is (a)8.4 kg·m2/s, (b)8.4t2 kg·m2/s3, (c)8.4t1/2 kg·m2/s3/2, and (d)8.4/t2 kg·m2*s?
The acceleration of a particle moving only on a horizontal xy plane is given by a→=3ti^+4tj^,...
The acceleration of a particle moving only on a horizontal xy plane is given by a→=3ti^+4tj^, where a→ is in meters per second-squared and t is in seconds. At t = 0, the position vector r→=(19.0m)i^+(44.0m)j^ locates the particle, which then has the velocity vector v→=(5.40m/s)i^+(1.70m/s)j^. At t = 4.10 s, what are (a) its position vector in unit-vector notation and (b) the angle between its direction of travel and the positive direction of the x axis?
An object moving in the xy-plane is subjected to the force F = 2xy i +...
An object moving in the xy-plane is subjected to the force F = 2xy i + 3y j N, where x and y are in m. a. The particle moves from the origin to the point with coordinates (a, b) by moving first along the x-axis to (a, 0), then parallel to the y-axis. How much work does the force do? b. The particle moves from the origin to the point with coordinates (a, b) by moving first along the...
The vector position of a 3.80 g particle moving in the xy plane varies in time...
The vector position of a 3.80 g particle moving in the xy plane varies in time according to r (with arrow)1 = (3i + 3j)t + 2jt2 where t is in seconds and r with arrow is in centimeters. At the same time, the vector position of a 5.45 g particle varies as r (with arrow)2 = 3i − 2it2 − 6jt. (a) Determine the vector position of the center of mass at t = 2.90. (b) Determine the linear...
A particle starts from the origin with velocity 5 ?̂m/s at t = 0 and moves...
A particle starts from the origin with velocity 5 ?̂m/s at t = 0 and moves in the xy plane with a varying acceleration given by ?⃗ = (2? ?̂+ 6√? ?̂), where ?⃗ is in meters per second squared and t is in seconds. i) Determine the VELOCITY and the POSITION of the particle as a function of time.
PROBLEM 1 The position of a particle on the x axis is given by: x =...
PROBLEM 1 The position of a particle on the x axis is given by: x = 5.00 – 8.00 t + 2.00 t 2 with t in seconds and x in meters. a) Calculate the value of x the moment the particle momentarily stops. b) When t = 0.500 s, is the particle speeding up or slowing down? Explain. PROBLEM 2 A ball is kicked at an angle θ0 with the horizontal with an initial speed of 20.0 m /...
A particle is located at the vector position r with arrow = (9.00î + 12.00ĵ) m...
A particle is located at the vector position r with arrow = (9.00î + 12.00ĵ) m and a force exerted on it is given by F with arrow = (7.00î + 6.00ĵ) N. (a) What is the torque acting on the particle about the origin? τ = N · m (b) Can there be another point about which the torque caused by this force on this particle will be in the opposite direction and half as large in magnitude? Yes...
The acceleration of a particle moving only on a horizontal xy plane is given by ModifyingAbove...
The acceleration of a particle moving only on a horizontal xy plane is given by ModifyingAbove a With right-arrow equals 4t ModifyingAbove i With caret plus 5t ModifyingAbove j With caret, where ModifyingAbove a With right-arrow is in meters per second-squared and t is in seconds. At t = 0, the position vector ModifyingAbove r With right-arrow equals left-parenthesis 24.0mright-parenthesis ModifyingAbove i With caret plus left-parenthesis 49.0mright-parenthesis ModifyingAbove j With caret locates the particle, which then has the velocity vector...
Three particles are fixed in positions on the xy plane. Particle A, with a mass of...
Three particles are fixed in positions on the xy plane. Particle A, with a mass of 6.00 g, is located at the origin. Particle B, with a mass of 12.0 g, is located in the second quadrant a distance 0.500 m from the origin at an angle of 30◦ from the x axis. Particle C has a mass of 8.00 g. The net gravitational force acting on particle A due to particles B and C is 2.77 × 10−14 N...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT