4. A particle moves in a straight line and its position is defined as s = (t3 – 6t2 – 15t + 7) meters, where t is in seconds. (a) Determine its instantaneous velocity (m/s) when t = 12 sec. (b) Determine its average speed (m/s) when t = 12 sec. (c) Determine its average velocity (m/s) when t = 12 sec.

4. A particle moves in a straight line and its position is defined as s = (t3 – 6t2 – 15t + 7) meters, where t is in seconds. (a) Determine its instantaneous velocity (m/s) when t = 12 sec. (b) Determine its average speed (m/s) when t = 12 sec. (c) Determine its average velocity (m/s) when t = 12 sec.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: Q21 the car start from rest and has a V-t graph as shown below. Construct the S+t graph and find the…

Q: 50 kN 1m 1m 1m F DI 1m В VP

Q: A fluid is flowing with the following velocity profile u = yxy3 – xy 3 xy² - y² If the flow is 2D…

Q: Th speeds of 25 cars were observed. 10 cars were noted to travel at 38 kph, 8 cars at 39 kph, 2 cars…

Q: Given the angle of rotation is small and the materials remain linear elastic, which statement below…

A: Objective: To choose the incorrect statement corresponding to the twisting of circular shafts.…

Q: Question 1 The velocity component in x and y direction are given by u= Axy-xy^²: v=x²y - 4y³. the…

A: The velocity component in x and y directions- u=λxy-xy2,&v=x2y-4y3.

Q: 3. 12-75 A particle travels along the circular path x 2 + i = r 2. If the y component of the…

Q: The car A has a forward speed of 24 km/h and is accelerating at 4.0 m/s². Determine the velocity and…

A: Solution: Given: R = 7.2 m Ώ=2.9 rev/min=2.9×2π60=0.30 rad/s ai = 4 m/s2 θ = 38o VA = 24 km/h =…

Q: A particle travels along a straight line with a velocity of v = (4t 3t) m/s, where t is in seconds.…

A: Find position at t=4sec

Q: The acceleration of a particle traveling along a straight line is a = -si m/s?, where s is in…

A: Answer We are given acceleration of the particle a = 14s12 m/s2 Given condition If v=0, s=3.2 m…

Q: The motion of a particle along a straight line is defined by s %=÷t3 – 36t. When the particle…

Q: 8. The velocity of a particle changes from -8 fps to 58 fps during a 1*-sec intervaY during which…

A: given initial velocity = v1 = -8 fps final velocity = v2 = 58 fps time interval of this velocity…

Q: X-component of velocity in two dimensional incompressible flow is given by u = 2y² + 6xy. If the…

A: A 2-D incompressible flow- X-component of velocity- u=2y2+6xy, Y-component of velocity v =0 at y=0,…

Q: The velocity of a particle traveling along a straight line is v = (3t2 - 6t) ft/s, where t is in…

A: Given Data: Velocity of particle(v)=(3t2-6t) ft/sAt t=0, s=4 ftit is asked to calculate, what is…

Q: The equation governing a body travelling in a water channel is given by the following equation and…

Q: A particle moves on a circle in accordance with the equation s=14-8t, where s is the displacement in…

Q: The drag racer P starts from rest at the start line S and then accelerates along the track. When it…

Q: A projectile is launched from point A with the initial conditions shown where vo = 272 m/s, a = 50°…

Q: PROBLEM11.89 A ball is thrown so that the motion is defined by the equations x= 51 and y=2+61-4.9t2,…

A: Given x = 5t y = 2+6t-4.9t²

Q: At time t = 0, a particle is at rest in the x-y plane at the coordinates (xo, Yo) = (3,0) in. If the…

Q: Member AB has the angular velocity wAB = 3.5 rad/s and angular acceleration AB = 6 rad/s². (Figure…

Q: A particle moves along a straight line in such a manner that its displacement, at any instant, from…

A: Given:- s=1/10(t3+6t2-4t) To find:- distance after 10 sec

Q: as an acceleration in the x-direction given by ax = 10.5t in./sec2. If the velocity of the particle…

Q: As a train accelerates uniformly it passes successive 800 meter marks while traveling at velocities…

Q: A ball is shot at an average speed of 250 m/s at an angle of 25" with the horizontal. What would be…

A: Following are the given information. Initial speed, v0 = 250 m/s Angle of projection, θ=25° Time,…

Q: The motion of a particle is defined by the relation x = t4 -10t2 + 8t +12, where x and t are…

Q: A rocket sled having an initial speed of 147 mi/h is slowed by a channel of water. Assume that…

Q: A particle moves along a straight that its displacement at any time by S=(t^3-6t^3+3t+4) The…

Q: The motion of a particle is defined by the relation x=3t³-6t?-12t+5, where x andtare expressed in m…

A: Given :-

Q: 1. - the velocity of particle at t = 9 seconds: a. 122 b. 747 c. 167 d. none e. 898 - the…

Q: In cylindrical polar coordinates (r,0,z), the velocity components of a flow filed are given as v, =…

A: In polar coordinates, the position of a particle is determined by the value of the radial distance…

Q: Question 8 In a two-dimensional field the velocity of fluid flow is given byv = (y³ − 5x²y)i +…

A: Given: A two-dimensional field the velocity of fluid flow, v→=y3-5x2yi^+3Cxy2j^ For an…

Concept explainers

Pressurized pipe flow

A 15-kilometer-long pipe with a pipe diameter of one meter transports water at a speed of one meter per second. The pipe has a friction coefficient of 0.005. Calculate the frictional head loss?

Question

(t3 – 6t2 – 15t + 7) meters, where t is
4. A particle moves in a straight line and its position is defined as s =
in seconds.
(a) Determine its instantaneous velocity (m/s) when t = 12 sec.
(b) Determine its average speed (m/s) when t = 12 sec.
(c) Determine its average velocity (m/s) when t = 12 sec.

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

Step 2

Step 3

Step 4

Step 5

Step by step

Solved in 5 steps with 5 images

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, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

Q7) Air is flowing through a pipe and a mercury manometer is attached with this pipe. If the manometer reads (d = 0.3 cm), determine the 80 mm velocity of air through the pipe. Take pug = umm 13550 kg/m D
A sphere is fired downwards into a medium with an initial speed of 35.03 m/s. If it experiences a deceleration of a = (-6t) m/s? where t is in seconds, determine velocity of the ball before it stops. %3D
The flight path of the helicopter as it takes off from A isdefined by the parametric equations x = (2t2 ) m and y = (0.04t3 ) m, where t is the time in seconds.Determine the total distance the helicopter is from point A and the magnitude of its velocity andacceleration when t = 10 s
a = 2 m/s? B. 16 m 37 3 C A One of the vehicles starting from A and B points at the same time, K moves with an acceleration of 2 m/s and L moves at constant speed. Since the vehicles meet at point C at the same time, what is the speed of L in m/ s?
1.
mechanics
Determine final velocitý Initial velocity=2 m/s Acceleration31.6 m/s2 Time-4 s
iv. Determine the distance covered by a body in 4 s if it initial velocity is 20 m/s and the acceleration is 4 m/s.
A fluid flow is described by a velocity field π = 4x²î −5x²yĵj + k What is the absolute velocity (in magnitude) at the point (2,2,1)?
engineering mechanics
really really need fast
A particle moves along a straight line so that:s = 3t3– 4t2Where “s” is in meters and “t” in minutes. Determine the velocity and acceleration when:t = 1 min; t = 2 min