Question

a particle moves so that r(t)=3sin(t)i+3cos(t)j-3t^2k. find the speed at time t=2

a particle moves so that r(t)=3sin(t)i+3cos(t)j-3t^2k. find the speed at time t=2
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 of mass 2.00 kg moves with position r(t) = x(t) i + y(t) j...
A particle of mass 2.00 kg moves with position r(t) = x(t) i + y(t) j where x(t) = 10t2 and y(t) = -3t + 2, with x and y in meters and t in seconds. (a) Find the momentum of the particle at time t = 1.00 s. (b) Find the angular momentum about the origin at time t = 3.00 s.
A particle moves with position r(t) = x(t) i + y(t) j where x(t) = 10t2...
A particle moves with position r(t) = x(t) i + y(t) j where x(t) = 10t2 and y(t) = -3t + 2, with x and y in meters and t in seconds. (a) Find the average velocity for the time interval from 1.00 s to 3.00 s. (b) Find the instantaneous velocity at t = 1.00 s. (c) Find the average acceleration from 1.00 s to 3.00 s. (d) Find the instantaneous acceleration at t = 1.00 s.
Find the position vector of a particle that has acceleration 2i+4tj+3t^2k, initial velocity v(0)=j+k and initial...
Find the position vector of a particle that has acceleration 2i+4tj+3t^2k, initial velocity v(0)=j+k and initial position r(0)=j+k
Find the work done by the force field F(x,y,z)=2xi+2yj+7kF(x,y,z)=2xi+2yj+7k on a particle that moves along the...
Find the work done by the force field F(x,y,z)=2xi+2yj+7kF(x,y,z)=2xi+2yj+7k on a particle that moves along the helix r(t)=3cos(t)i+3sin(t)j+4tk,0≤t≤2π
Given r(t) = (et cos(t) )i + (et sin(t) )j + 2k. Find (i) unit tangent...
Given r(t) = (et cos(t) )i + (et sin(t) )j + 2k. Find (i) unit tangent vector T. (ii) principal unit normal vector N.
An object starts from rest at point P(1,2,0)P(1,2,0) and moves with an acceleration of a(t)=j+2k,a(t)=j+2k, where...
An object starts from rest at point P(1,2,0)P(1,2,0) and moves with an acceleration of a(t)=j+2k,a(t)=j+2k, where ∥a(t)∥‖a(t)‖ is measured in feet per second per second. Find the location of the object after t=2t=2 sec.
Suppose r(t) = t2i + (t3 −t)j + (t−1)2k is the position vector of a moving...
Suppose r(t) = t2i + (t3 −t)j + (t−1)2k is the position vector of a moving particle. a. [2] At what point does the particle pass through the xy-plane? b. [2] What is its velocity vector at this point? c. [4] What is the radius of curvature of the trajectory at this point?
Find the velocity, acceleration, and speed of a particle with the given position function. (a) r(t)...
Find the velocity, acceleration, and speed of a particle with the given position function. (a) r(t) = e^t cos(t)i+e^t sin(t)j+ te^tk, t = 0 (b) r(t) = 〈t^5 ,sin(t)+ t ^ cos(t),cos(t)+ t^2 sin(t)〉, t = 1
18. Find aT at time t=2 for the space curve r(t)= (9t-1)i + t^2 j -8tk
18. Find aT at time t=2 for the space curve r(t)= (9t-1)i + t^2 j -8tk
The position of an object at time t is given by: r(t)=e^−t i + e^t j...
The position of an object at time t is given by: r(t)=e^−t i + e^t j − t√2 k, 0≤ t<∞. (a) Determine the velocity v and the speed of the object at time t. (b) Determine the acceleration of the object at time t. (c) Find the distance that the object travels during the time interval 0≤ t<ln3. Answers: (a) = velocity: v =−e^−t i + e^t j − √2 k; speed: ||v||= e^t + e^−t, (b) = acceleration:...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT