Help mee sirr The as graph for a rocket moving along a straight track has been experimentally determined. The rocket startsat s = 0 when = 0. (Figure 1)Figurea 5+ 6(√5-10)53100s (ft)< 1 of 1>Part ADetermine its speed when it is at s = 70 ft.Express your answer to three significant figures and include the appropriate units.▸ View Available Hint(s)ºμÀ ^V=SubmitPart BValueV=Determine its speed when it is at s = 130 ft. Use Simpson's rule with 12 = 100.Express your answer to three significant figures and include the appropriate units.▸ View Available Hint(s)ValueSubmitμAProvide FeedbackC [www] ?UnitsC [www] ?Units

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Answered: G a-s graph for a rocket moving along 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

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Q1. A driver enters a curved car at 72 km/h, slows down, causing the speed to drop at a steady rate of 4.5 km/h every second. If the radius of curvature is 16.7 m. Find the acceleration of the car after 4 seconds from the driver starting to slow down.
A train travels between two stations 792 m apart in a minimum time of 41 seconds. If the train accelerates and decelerates at 2.4 m/s, starting from rest at the first station and coming to a stop at the second station, what is the maximum speed?
Car A is moving with constant speed v on the straight and level highway. The police officer in the stationary car P attempts to measure the speed v with radar. If the radar measures “line-of sight” velocity, what velocity v' will the officer observe? Evaluate your general expression for the values v = 74 mi/hr, L = 605 ft, and D = 19 ft, and draw any appropriate conclusions.
Problem: A particle is moving along a straight line such that its position is given by s=(4t−t2)fts=(4t−t2)ft, where tt is in seconds. Question: Determine the average velocity of the particle during this time interval. Express your answer to three significant figures and include the appropriate units.
Question: A man can swim at 4 ft/s in still water. He wishes to cross the 40-ft-wide river to point B, 30 ft downstream. The river flows with a velocity of 2 ft/s. Note: While in the water he must not direct himself toward point B to reach this point. (Figure 1) Part A: Determine the speed of the man. Express your answer to three significant figures and include the appropriate units. Part B: Determine the time needed to make the crossing. Express your answer to three significant figures and include the appropriate units.
Question: A particle P moves along the spiral path r=(10/θ)ft, where θ is in radians. Part C: If it maintains a constant speed of v=20ft/s, evaluate vr at θ=1rad. Express your answer to three significant figures and include the appropriate units
Specifically a dynamics problem: Two rockets start from rest at the same elevation. Rocket A accelerates vertically at 20 m/s2 for 12 s and then maintains a constant speed. Rocket B accelerates at 15 m/s2 until reaching a constant speed of 150 m/s.Construct the a-t, v-t, and s-t graphs for each rocket until t = 20 s. What is the distance between both rockets when t = 20 s?
Question: A particle P moves along the spiral path r=(10/θ)ft, where θ is in radians. Part A: If it maintains a constant speed of v=20ft/s, determine vr as functions of θ. Express your answer in terms of θ Part B: If it maintains a constant speed of v=20ft/s, determine vθ as functions of θ. Express your answer in terms of θ Part C: If it maintains a constant speed of v=20ft/s, evaluate vr at θ=1rad. Express your answer to three significant figures and include the appropriate units. Part D: If it maintains a constant speed of v=20ft/s, evaluate vθ at θ=1Zrad. Express your answer to three significant figures and include the appropriate units.
If the motion of a jet after landing on a runway is shown by the a-t graph below. Note that at t=0s , s=0m and v=300m/s. What is the velocity (v) at time t=20s? Choices: +150m/s, +100m/s, 0m/s, +300m/s
A certain lake is proposed as a landing area for large jet aircraft. The touchdown speed of 100 mph upon contact with the water is to be reduced to 20 mph in a distance of 1500 ft. If the deceleration is proportional to the square of the velocity of the aircraft throug the water, a=-kv^2 , find the value of the design parameter k . This parameter serves as a measure of the size and shape of the landing gears vanes that plow through the water. Also, determine the time elapsed during the spedified interval. (1 mile=5280 ft)
A particle is moving along a straight line with a = (12t - 3t^0.5) ft/s^2, where t is in seconds. Determine the velocity and position of the particle as a function of time. When t = 0, v = 0, and s = 15ft. Please show full solution, thanks!
When a particle travels in a uniform circular motion, all the following stay constant excluding: A)Radius B)Acceleration C)Speed D)Velocity

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