4. The velocity of a particle which moves along S-axis is given by V = 2 - 4t +5t^(3/2) where t is in seconds and V is in m/s. The particle is at the posi- tion S = 3m whent = 0. A.) Compute the position S when t = 3sec. B.) Com- pute the velocity of the particle when t = 3sec. C.) Compute the accelera- tion when t = 3sec. Answer: 22.2m (19.1769m), 15.98m/s, 8.99m/s^2

4. The velocity of a particle which moves along S-axis is given by V = 2 - 4t +5t^(3/2) where t is in seconds and V is in m/s. The particle is at the posi- tion S = 3m whent = 0. A.) Compute the position S when t = 3sec. B.) Com- pute the velocity of the particle when t = 3sec. C.) Compute the accelera- tion when t = 3sec. Answer: 22.2m (19.1769m), 15.98m/s, 8.99m/s^2

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

The position of a particle moving along the x-axis is given by x=t^3+3t^2 -9t-6, when t =1sec particle is 11m to the right of origin. (a) When t=2 sec, determine v and a. (b)During the time interval from t=0 to t=2sec, determine the v(ave) and v(ave )speed
The position of a particle moving along the x-axis is given by (X(t)=3t+2t^3 ). Find the acceleration a= 3+6t^2 ( m/sec2) 12 (m/sec2) 12 t ( m/ssec2) Object's mass is 15 kg is resting on a table. An external force ( 10 N) act with angle ( 30) on this object. Find the minimum force let it moving. ( g=10m/sec2) * 5 N 150 N 8.66 N
The velocity of a particle traveling along a straight line is v = (8t ^ 2 - 9t) * f * t / m * i * n , where t is in mins. s = 6m when t = 0min , determine the position of the particle when (a) t = 0.6min and (b) t = 0.2min .
7. A particle moves along a straight line such that its position is defined by s = ( - 6t + 5) m. Determine the average velocity, the average speed, and the acceleration of the particle when t= 6 s. (Vsp)avg = 3 m/s; Ans. Vavg = 0; a -6 = 2 m/s? 8. A particle is moving along a straight line such that its position is defined by s = (10r + 20) mm, where t is in seconds. Determine (a) the displacement of the particle during the time interval from t = 1 s to t= 5
Q3: A particle moves along the x- axis according to the equation (x-14-7t+t^2+t^3 ), where (x) in meter and (t) in seconds. At (t=7 sec) Find (a) The position of the particle (b) It's velocity (c) It's .acceleration
The 2-kg particle shown is restricted to move in the x-y plane. The resultant force acting on the object is given as a function of time by ΣF = 6i + 2tj (N). Initially, the object's position is r = 5i + 3j (m)and its velocity is v = 121 + 5j (m/s). What is the object's position at t = 8 s? ΣΕ X
seconds and v is in meters per second. Evaluate the position x, velocity v, and acceleration a when t = 3s. The particle is at the position x₁ = 3m when t = 0. SITUATION 6. The displacement of the particle which moves along the x-axis is given by x = (-2+ 3t)e-0.5t, where t is in seconds and x is in meters. Determine the time at which the acceleration is zero.
A particle moves along a straight line such that its position is defined by s= (t 2 - 6t + 5) m. Determine the average velocity of the particle when t = 6 s
1.The position of a particular particle as a function of is given by r=(8.5t i+5.6j-2t 2k )m (a) Determine the particle’s velocity and acceleration as a function of time. (b) Find the instantaneous velocity and acceleration of the particle at t=3.0 s. Question 2 . At t=0, a particle starts from rest and moves in the xy space with an acceleration a=(4 i+6 2 j)m/s . Determine (a) the velocity and position of the particle as a function of time. (b) evaluate the speed and position of the particle at t=5.0 s.
A curvilinear motion of a particle is defined by Vx = 40-15t and y=75-3t^2, where Vx is in meters per second, y is in meters and t is in seconds. It is also known that x = 0 when t = 0.(a) Which of the following gives the nearest value of the second value of time “t” when “x” will be equal to 0.(b) Which of the following gives the nearest value of the velocity when x=0 at the second value of time.(c) Which of the following gives the nearest value of the acceleration when x=0 at the second value of time.
If the position of a particle is given by s=413+7{2-8t-10, what is the acceleration at t=2s? 3
The position of a particle is described by r= (t + 4t - 4) mm and e = (t2) rad, where t is in seconds. Determine the magnitudes of the particle's velocity in m/s at the instant t 2s.