The acceleration of a car is given by a = [ (3t^3 + 4t)i + 6tj + (8t – 5)k ] m/s^2. Determine the magnitude of its velocity when t = 3s. When t = O s, vx = 2 m/s, vy = 3 m/s and vz = 5 m/s (Non-anonymous questionO) %3D

The acceleration of a car is given by a = [ (3t^3 + 4t)i + 6tj + (8t – 5)k ] m/s^2. Determine the magnitude of its velocity when t = 3s. When t = O s, vx = 2 m/s, vy = 3 m/s and vz = 5 m/s (Non-anonymous questionO) %3D

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

Velocity in a fluid flow is expressed as V= (x³y² + 2zt)i + (2y² + xyt)j + (12xyt)k The magnitude of x-component of acceleration of a particle of fluid at point (1, 1, 1) at t = 2 seconds is ___________ units (round off to nearest integer).
Please provide complete solution.
The figure below shows a mobility Nyquist plot representing the response of a single mode. The three black dots, correspond to frequencies WA =500/51rad/s, Wg=10rad/s and Wc= 51/5rad/s, and the two angles are 0 1/3trad and 0g=1/3arad. The point a, labelled on the real axis, has the value a =3. A Find a/m, where a is the modal participation and m is the modal mass. Express your answer to two decimal places. Real(V/F) Imag(V/F)
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?
mechanics
A ride in an amusement park consists of a rotating arm AB that has an angular acceleration of a AB = 2 rad/s when wAB = 3 rad/s at Express your answers using three significant figures separated by a comma. the instant shown. Also at this instant the car mounted at the end of the arm has an angular acceleration of a = {-0.6 k} rad/s? and angular velocity of w' = {-1.5 k} rad/s measured relative to the arm. Suppose that a = 10 ft and r = 2 ft . (Figure 1) ΑΣφ vec (vc)z: (vc)y = 13.5,28.578 ft/s Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Part B Figure 1 of 1 Determine the x and y components of the acceleration of the passenger C at this instant using scalar notation. Express your answers using three significant figures separated by a comma. vec (ac)z: (ac)y =- 93.934, – 25.948 ft/s? WAB Submit Previous Answers Request Answer 130 X Incorrect; Try Again; 4 attempts remaining
In the figure shown: Given: ac/B =50 mm/s2 (1) aD/A=90 mm/s² (4) Find: a) velocity(mm/s) of C when t=4s b) distance travelled(mm) by D after 2 s. (note: constant acceleration for each component and it started from rest) A B D
The position of a particle moving along the x axis is given in centimeters by x = 9.39 + 1.86 t°, where t is in seconds. Calculate (a) the average velocity during the time interval t = 2.00 s to t = 3.00 s; (b) the instantaneous velocity at t = 2.00 s; (c) the instantaneous velocity at t = 3.00 s; (d) the instantaneous velocity at t = 2.50 s; and (e) the instantaneous velocity when the particle is midway between its positions at t = 2.00 s and t = 3.00 s. (a) Number i Units (b) Number i Units (c) Number i Units (d) Number i Units (e) Number Units >
Problem#4: Calculate an object’s acceleration when ? = 100 ? and when ? = 175 ?. Refer to the v-s graph below. Problem#5: As a vehicle leaves the first point, it gains a speed at the rate of 4 ??/? 2 for 6 ? and then at the rate of 6 ??/? 2 until it has reached the speed of 48 ??/?. The vehicle maintains the same speed until it approaches the second point; brakes are then applied and the vehicle slows down constantly until it stops in 6 ?. The total running time from first point to second point is 40 ?. Plot the a−t, v−t, and x−t graphs, and calculate the distance between the first and second point.
8. An estimated force-time curve for a baseball struck by a bat is shown in Figure. From this curve, determine (a) the impulse delivered to the ball, (b) the average force exerted on the ball, and (c) the peak force exerted on the ball (7 marks) F(N) F = 18 000 N 20 000 15 000 10 000 5 000 2 (ms) 3 1
really really need fast
Jackson Avery is a big fan of skiing. The figure shows one of his jumps in which the path can be treated as a projectile. If he leaves the ramp A at an angle of e = 22°, determine the velocity (m/s) at which he strikes the ground at B. Use h = 4 m. and L = 102 m ROUND OFF TO TWO DECIMAL PLACES. \B