9. Consider the motion of the particle with r-1.- wt,0 -+cos 4 wt where I is constant. By using the spherical coordinates, the speed as a function of time is A. √1² w²cos² cos 2w) + 1² w²sin² 2wt B. √² cos² cos w) - 1²w²sin² 4wt 1² w² cos²cos 4w) + 1² w²sin² 4wt D. √1² w²cos cos 4w) + 1² w²sin² 4ut O A. OB. O C. O D.

9. Consider the motion of the particle with r-1.- wt,0 -+cos 4 wt where I is constant. By using the spherical coordinates, the speed as a function of time is A. √1² w²cos² cos 2w) + 1² w²sin² 2wt B. √² cos² cos w) - 1²w²sin² 4wt 1² w² cos²cos 4w) + 1² w²sin² 4wt D. √1² w²cos cos 4w) + 1² w²sin² 4ut O A. OB. O C. O D.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

Motion of Particle: ; x=t3-6t2-36t-40 where x is ft and t in seconds. Determine: a) time when velocity=0 b) velocity when x=0 c) acceleration when x=0 d) total distance travelled when x=0
Question #1: The motor turns gear A with a constant angular acceleration, aA from rest. The cord is wrapped around pulley B. 3 rad/s2, starting a) Indicate the direction of motion of C (upwards of downwards) based on the given figure b) Find the velocity of cylinder C and the distance it travels in 5 seconds. rA=0.1m rg=0.05m ад 3D 3 rad/s? A B C
Two tractors leave point o at the same time and drive in the directions shown. Tractor A is traveling at a TIL 8 m constant speed of ₁9 Tractor B is traveling at a constant speed of = 13 - Hint: 1. Use constant acceleration equations to find time. VA A Variable 0₁ 0₂ -16.787 = 16.806 0₁ values for the figure are given in the following table. Note the figure may not be to scale. value 30 degrees 35 degrees t= 29.751 a. Determine the velocity of tractor A relative to tractor 6, 4, express as a Cartesian vector. b. Determine the magnitude of the velocity of tractor A relative to tractor 8, c. How long after leaving point O will the tractors be 500 m apart? Round your final answers to 3 significant digits/figures. VA = ||= xi -0.809 X 8 0₂ m VB B TIL x= X
A particle traudy qr ticle travds starts famg rest with Cont accu f covers s' dis ten ce f then move with corst velocity f distance covers comes to res t with cont retardetion. Flo Rativ of auy sped f Max. ☺ 315 sped of particle ☺ 5/s ☺ 31y 2)
3. The acceleration of a point moving on a vertical line is given by the equation a = 12t – 20. It is known that its displacement s = -10 m at time t = 0 and that its displacement s = 10m at time t = 5 seconds. Derive the equations for itť's a.) velocity and b.) displacement.
В -W P A A) A) If the flywheel starts from rest when 0 = 90°, determine by numerical integration the time required for it to reach a speed of 10 rad/s. Use the following data. W = 180 lbs, k = 0.6 ft, R = 0.75 ft, L = 1.5 ft, Po = 24 Ibs. B) Plot the angular speed versus time for the period of integration.
Two tractors leave point O at the same time and drive in the directions shown. Tractor A is traveling at a m m constant speed of 4 = 9. Tractor B is traveling at a constant speed of UB = 13 S Hint: 1. Use constant acceleration equations to find time. VA A Variable 0₁ 02 0₁ -C = y + 0₂ Values for the figure are given in the following table. Note the figure may not be to scale. Value 30 degrees 35 degrees Round your final answers to 3 significant digits/figures. V = ( m a. Determine the velocity of tractor A relative to tractor B, V4, express as a Cartesian vector. b. Determine the magnitude of the velocity of tractor A relative to tractor B, c. How long after leaving point O will the tractors be 500 m apart? VB B m X
2. If a particle starts from rest and accelerates according to the graph shown, the particle's velocity at t = 20 s is 200 m/s b100 m/s C. 0 d. 20 m/s 3. The particle in Problem 2 stops moving at t = 10 s a. b. C. d. 40 s 20 s 30 s 10 76) -pla help
1. The wheel starts rotating from rest, 4) if its angular velocity W as a function of angular position 0 is w=0.1-0², where O is in radian, and its radius ris 0.2 m, what is the magnitude of the normal linear acceleration (in m/s2) of point Pafter the wheel has turned 1.1 revolution(s) from rest. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point. Your Answer: Answer
The velocity of a particle is given by the cartesian form ? = 2t3i?+6t2j+3tk. Determine it’s a). position,b.) velocity, and c.) acceleration when t = 3 seconds.
The graph represents the straight line motion of a car. How far does the car travel between t = 2 seconds and t = 5 seconds? v(mk) 12 4 m 12 m 24 m 36 m 60 m
A particle's position (2.17+4.80+- ○100代)3 is given byso unere tis in seconds and s is in Find the particles position and acceleration zero velocity. meters . at the inatant when the panticle has you may use equation the calculator to mode t Find the noots'