3) Cullin is flying his private jet at a constant speed of 750 km/h while David is flying his helicopter due north. The flight attendant on Cullin's jet begins walking towards the back of the airplane as a constant speed of 4 m/s relative to the airplane. If the flight attendant observes David moving directly westward at 38 m/s, what is the velocity of the helicopter in m/s? Hint: You will need to find theta; don't forget about your ability to use dot products to simplify your equations. [Ans. to Check: VB-200.76 m/s] N VB+ B Ꮎ VC A V₁ A

3) Cullin is flying his private jet at a constant speed of 750 km/h while David is flying his helicopter due north. The flight attendant on Cullin's jet begins walking towards the back of the airplane as a constant speed of 4 m/s relative to the airplane. If the flight attendant observes David moving directly westward at 38 m/s, what is the velocity of the helicopter in m/s? Hint: You will need to find theta; don't forget about your ability to use dot products to simplify your equations. [Ans. to Check: VB-200.76 m/s] N VB+ B Ꮎ VC A V₁ A

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

• 1. A particle position given by s(t) = 4 t2 - 32 t +36 with s in meters and t in seconds. At what position does the particle come to a # 1 %3D momentary stop to reverse its motion? par • 2. A particle moves in a straight line such that for a short time its velocity is defined by V = ( 4t3 + 3t2 seconds. Determine its position and acceleration when t = 3 s; 2t) ft/s, where t is in %3D %3D he when t = 0, S = 0 %3D e pa he particle for wertical disola reach the ground tance that the paticle travel haght of the paratle, he t lury paricle when the bonzonl distence i 70 m dislmce whn the hayht uf the paricle is %23
A body is moving along a straight line. Let s(t) represent the dis- placement of the body at timet from a fixed point O on the line while v(t) and a(t) represent velocity and acceleration of the body at time t respectively. 9, find v when s = 20m given that initially v = 0 and s = 10m. 40 If a = dv dv ds dev leads to the differential equation Hint: Using the fact that a for v(s): dt ds dt dv 40 V- ds s2
The shown car moves in a straight line, its velocity is defined by v=0.02s2+2, where s is in feet. The acceleration of the car when s= 30 ft is a Select one: O a. 37.1 ft/s2 O b. 20 ft/s? O c. 26.5 ft/s? O d. 24 ft/s?
Help me answer this ASAP. Answer it carefully and show complete ans proper solution thank you.
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 va = 15 -. Tractor B is traveling at a constant speed of vz = 23 * Hint: 1. Use constant acceleration equations to find time. VA y VB А В 02 Values for the figure are given in the following table. Note the figure may not be to scale. Variable Value 40 degrees 02 40 degrees a. Determine the velocity of tractor A relative to tractor B, VÁ, express as a Cartesian vector. b. Determine the magnitude of the velocity of tractor A relative to tractor B, VÁ. c. How long after leaving point O will the tractors be 600 m apart?
Please answer the given question as soon as possible. Thank you very much.
4) You were leisurely flying your F-18 when you encounter an alien aircraft. The alien was flying at an altitude of 3 km while you were at an altitude of 600 m. You begin to increase your speed at a rate of 2.0 m/s?. You are traveling at a speed of 750 km/h at the instant when 0 = 45° and at the same instant the alien has a constant velocity of 1,500 km/h. a) Determine the velocity and acceleration vectors (in m/s and m/s², respectively) of the alien as observed by you. [Ans. to Check: VB/A = 208.4 įm/s] b) Determine the time rate of change of the vector r that is between you and the alien ship in m/s. In other words, find r. [Ans. to Check: i = 147.32 m/s] Hint: Do not forget about your ability to dot in different directions to eliminate variables from the equation. c) Calculate the angular velocity of the spaceship relative to you in rad/s. d) Determine the radial and angular accelerations in m/s? and rad/s². [Ans. to Check: ï = 4.86 m/s²] VB 3 km VA 600 m
One morning, Connie walks from her house to go to a store that is 500 ft, S 40o W from her house. She starts walking 120 ft, SW; then continues walking 100 ft, 10o S of E; then sees a friend who is 700 ft, 30o N of E from where she is. What is her friend’s location, (magnitude and direction) relative to her house? From her friend’s location, how far and in what direction should Connie walk to finally get to the store?
Consider a helicopter flying in a straight path at a speed of 52 m/s. The the rotor diameter is 10 m and the rotors are moving at 264 RPM (revolutions per minute). What is the maximum rotor tip speed (in m/s). Hint: Note that the rotor will sometime be moving in the direction of the flight path and at other times opposite to the flight path or at an angle to the flight path. The maximum rotor tip speed is generated when the rotor is moving in the direction of the flight path.
7. A ball attached to a string of length 0.25 meters is whirled around in a circular path. It experiences a centripetal acceleration of 40 m/s². a. What is the tangential velocity of the ball? b. How long does the ball take to make one complete revolution?
The rotation of a 90 cm long OA arm around point O is defined by the equation = 0.15t ^ 2. Here 0 → radyan ve It is measured as. Block B slides on the arm so that its distance from O is = 90 –12t ^ 2. It is expressed here as r → cm ve t → sn. Find the total velocity and total acceleration of the B block when the OA arm rotates 30 °.