*12–128. The car has an initial speed v, = 20 m/s. If it increases its speed along the circular track at s = 0, a, = (0.8s) m/s, where s is in meters, determine the time needed for the car to travel s = 25 m. = 40 m

*12–128. The car has an initial speed v, = 20 m/s. If it increases its speed along the circular track at s = 0, a, = (0.8s) m/s, where s is in meters, determine the time needed for the car to travel s = 25 m. = 40 m

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

Related questions

Q: A car traveling along the straight portions of the road has the velocities indicated in the figure…

Q: 12-13. /The velocity of a particle traveling in a straight line is given by v = s 0 when t 0,…

Q: *12-124. The box of negligible size is sliding down along a curved path defined by the parabola…

A: Given Data y=0.4x2 x=2 m v=8 m/s dv/dt=4 m/s2

Q: 12–79. The particle travels along the path defined by the parabola y = 0.5x². If the component of…

Q: 12-13./The velocity of a particle traveling in a straight line is given by v = (6t-3) m/s, where r…

A: Given that , v=6t-3t2

Q: If the car passes point A with a speed of 20 m/s and begins to increase its speed at a constant rate…

Q: F12–20. The box slides down the slope described by the equation y = (0.05x?) m, where x is in…

A: Given Determine y component of velocity at x = 5m

Q: Determine the acceleration when t=1 s if v = (4f² +2) m/s, where t is in seconds. v =(4 f + 2) m/s 6…

A: Given data

Q: A car has an initial speed of 18 ft/s. If it then increases its speed along a circular path of…

A: Given Data- Initial velocity u=18ft/s Radius of curvature=85ft V=(2.5s) ft/s2 s=55ft We have to…

Q: 12–135. When t= 0, the train has a speed of 8 m/s, which is increasing at 0.5 m/s². Determine the…

A: Given , Speed of train at t=0 is u=8m/sec acceleration of the train a=0.5m/sec2…

Q: The box slides down the slope described by the equation y = (0.05x^2) m, where x is in meters. If…

A: This question is based on the concept of kinematics.

Q: 12–134. The motorcycle is traveling at a constant speed of 60 km/h. Determine the magnitude of its…

A: Given Speed = 60 km/h = 16.67 m/s Equation of curve = y2 = 2x To find Magnitude of its acceleration…

Q: *12-36. The s-t graph for a train has been experimentally determined. From the data, construct the…

A: In the interval the relation between s and t is s = 0.4*t2 differentiate the…

Q: The motorcycle is traveling at a constant speed of 60 km/h. Determine the magnitude of its…

Q: The train passes point A with a speed of 30 m/s and begins to decrease its speed at a constant rage…

A: Given:VA = 30 m/sat = -0.25 m/s2SAB = 412 m , x = 400 m

Q: 12-144. The airplane flies along the horizontal circular path AB in 60 s. If its speed at point A is…

Q: 12-78. A rocket is fired from rest at x = 0 and travels along a parabolic trajectory described by y²…

Q: If the motorcycle has a deceleration of at = -(0.001s) m/s^2 and its speed at position A is 25 m/s,…

A: Given data: at=-0.001s m/s2VA=25 m/s Need to determine the magnitude of its acceleration when it…

Q: 12-123. The motorcycle is traveling at 1 m/s when it is at A. If the speed is then increased at…

A: Given Data: The velocity of the motorcycle at a is: v0=1 m/s The acceleration of the motorcycle is:…

Q: 12–49. The jet car is originally traveling at a velocity of 10 m/s when it is subjected to the…

Q: Q3/ A car is moving along a straight line with the acceleration a= (12t- 3t) m/s, where t is in…

Q: The sprinter begins from rest at position A and accelerates along the track. If the stationary…

Q: 12-142. The race car has an initial speed va = 15 m/s at A. If it increases its speed along the…

A: given data: the initial speed of car (vo) = 15 m/s Radius of curvature () = 150 m tangential…

Q: *12-72. The velocity of a particle is given by v = {16ri+ 4r'j + (51 + 2)k} m/s, where t is in…

Q: 12–225. Cars A and B are traveling around the circular race track. At the instant shown, A has a…

A: Given: The speed of car A, VA = 90 ft/s The acceleration of car A, aA = 15 ft/s^2 The speed of car…

Q: When t = 0, the train has a speed of 4 m/s, which is increasing at 0.25 m/s2. Determine the…

A: The given data are: vi=4 m/sa=0.25 m/s2t=15 sρA=300 m Here, vi denotes the initial speed, a denotes…

Q: The vehicle travels over the hill described by y=(-1.5 x 10-³ x²) ft. If it has a constant speed of…

Q: 12-51. The v-t graph for a train has been experimentally determined. From the data, construct the…

A: We know s-t graph: given, 0≤t≤60v = 660tv= 110t m/sAt s=0 ; t=0We know that ,v= dsdtds = v.dtds =…

Q: If the car passes point A with a speed of 15 m/s and begins to increase its speed at a constant rate…

Q: . Determine the velocity and displacement of the body

A: Determine the velocity and displacement of the body

Q: 12-55. An airplane traveling at 70 m/s lands on a straight runway and has a deceleration described…

A: Solution: Given Data: V=70 m/s To Find: (a) The time t' and the distance traveled. (b) Construct…

Q: = 0 and The man pulls. the boy up to the tree limb C by walking backward. If he starts from rest…

A: Calculated the speed of the boy at the instant yB=4m.

Q: *12–76. A particle travels along the curve from A to B in 5 s. It takes 8 s for it to go from B to C…

A: Given Data: The radius of the quarter circle AB is r = 20 m. The second path is BC. The third path…

Q: The motor B draws in the cable at a speed of v, = 5r² m's where t is in seconds, as shown. Determine…

Q: The two blocks at A and B can move in the fixed slots as shown below. If the velocity of Block A is…

Q: A race car C travels around the horizontal circular track that has a radius of 300 ft, Fig. 12-28.…

A: Given dataradius=300 ftspeed at rate=7 ft/s2acceleration=8 ft/s2 To determine the speed at this…

Q: 12-9. A particle moves along a straight line such that its position is defined by s (t- 3t2 + 2) m.…

Q: 12-175. A block moves outward along the slot in the platform with a speed of r = (41) m/s, where t…

A: Given data: Velocity of the block, r˙=4t m/s Angular velocity of the platform, θ˙=6 rad/s Now…

Q: F12-17. A particle is constrained to travel along the path. If x = (4r) m, where i is in seconds,…

A: Given data x=4t2

Q: 12-67. The v-s graph of a cyclist traveling along a straight road is shown. Construct the a-s graph.…

A: The velocity for the 0 ft to 100 ft is as follows: vs=0.1s+5 The acceleration for this distance is…

Q: 12-117. The two cars A and B travel along the circular path at constant speeds va = 80 ft/s and vg =…

A: Given: velocity of car A is VA=80 ft/s and that of car B is VB=100 ft/s When the car is side by…

Q: A particle is constrained to travel along the path. If x = (4t4) m, where t is in seconds, determine…

Concept explainers

Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

6)
*12–128.
The car has an initial speed v, = 20 m/s. If it increases its
speed along the circular track at s = 0, a, = (0.8s) m/s,
where s is in meters, determine the time needed for the car
to travel s = 25 m.
= 40 m

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

12-85. The flight path of the helicopter as it takes off from A is defined by the parametric equations x = (2P) m and y= (0.041) m, where t is the time in seconds. Determine the distance the helicopter is from point A and the magnitudes of its velocity and acceleration when t=10 s.
Starting from rest the motorboat travels around the circular path with radius of curvature 50 m, at a speed V= 0.8t m/s, where t is in seconds. Determine the magnitudes of the boat's velocity and acceleration when it has traveled 20 m. p = 50 m
12–115. The automobile is originally at rest at s = 0. If its speed is increased by i = (0.0512) ft/s², where t is in seconds, determine the magnitudes of its velocity and acceleration when t = 18 s. *12–116. The automobile is originally at rest s = 0. If it then starts to increase its speed at i = (0.051?) ft/s², where tis in seconds, determine the magnitudes of its velocity and acceleration at s = 550 ft. - 300 ft- 240 ft
12-57. The dragster starts from rest and travels along a straight track with an acceleration-deceleration described by the graph. Construct the v-s graph for 0 ≤ s≤ s', and determine the distance s' traveled before the dragster again comes to rest. a(m/s²) 25 a= 0.1s +5- 5 -15- 200 - s (m)
Determine the velocity and acceleration of a body after 3 secs, if the motion is defined by the relation s = 5t + 4 t^3, s being in ft and t in seconds.
The velocity of a vehicle travelling in a straight line is given by v = (8t-4t^2) in m per second. The vehicle initial position is zero when t = 0 s. Determine the vehicle deceleration and position when t= 10 s. How far has the vehicle traveled during the 10 s time interval and what is it average speed
The tangential acceleration of the centrifuge is given by a = 0.5 t m/s/s where t is in seconds. If the centrifuge starts from rest, determine the normal acceleration ( m/s/s ) of the centrifuge after 10 s. The radius of the centrifuge is 8m.
The boats A and B travel with constant speeds of UA = 31.39 m/s and up = 18.82 m/s when they leave the pier at O at the same time. Determine the distance .between them when t = 3.02 s and 01, 02 are 10.79° , 20.93° respectively VB m/s m/s 01 02
12-143. The motorcycle travels along the elliptical track at a constant speed v. Determine its greatest acceleration if a > b. *12-144. The motorcycle travels along the elliptical track at a constant speed v. Determine its smallest acceleration if a > b. b-- -a
At the instant shown, cars A and B are travelling at the speeds shown. If B is accelerating at 1200 mi/h2 while A maintains a constant speed, determine the magnitude of the velocity and acceleration of B with respect to A. Car B moves along the curve having a radius of curvature of 0.7mi. show all the steps in the solution please