A car starting from rest is accelerated for 1m/s? for 4 seconds. It continues at constant velocity for 10 secs more and then decelerates in 3 seconds until it stops. Find the total distance traveled by the car. A) 54m B 46m 48m 52m
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- DYNAMICS OF RIGID BODIES PROBLEM: A particle moves counterclockwise on a circular path of 400ft radius. It starts from a position, which is horizontally to the right of the center of the path and moves so that s-10t² + 20t where s is the arc distance in feet and t is in seconds. Compute the horizontal and vertical components of acceleration at the end of 5sec.A car starts from rest and moves with a constant acceleration of 1.5m/s2 until it achieves a velocity of 25m/s. It then travelleds with constant velocity for 60 seconds. 11. What is the total distance traveled? O 1,708.33m O 208.33m O 1,500m O all of theseA toy car moves 8 m in 4 s at the constant velocity. What is the car's velocity m/sec 32 aO m/sec m/sec 4.c0
- An object moves along a path whose parametric equations are y = 2t and x = t° where x and y are distances traveled in meter and t is time in second. Compute the acceleration after 3 seconds. a. 18.44 m/s? C. 12.45 m/s² b. 15.67 m/s? d. 13.23 m/s²A potter’s wheel rotates from rest to 210rpm in a time of 0.75s.a. What is the angular acceleration of the wheel during this time,assuming constant angular acceleration?b. How many revolutions does the wheel make during this time interval?c. Find the tangential and radial components of the acceleration of thepoint 12cm from the rotation axis when the wheel is spinning at 180rpm?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
- As a train accelerates uniformly it passes successive 800 meter marks while traveling at velocities of 3 m/s and then 12 m/s. [Select] ✓(a) For the first mark of the journey, what is the acceleration of the train in m/s². [Select] [Select] (b) Determine the train's velocity when it passes the next mark in m/s. (c) Determine the time it takes to travel the 1.6-km distance in seconds.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?令l1. 4:47 Quiz4.png A particle P is moving on the x-axis with constant deceleration 2.5 ms?. At timet = 0, the particle P passes through the origin 0, moving in the positive direction of x with speed 15 ms. Find a the time between the instant when Pfirst passes through O and the instant when it returns to 0, b the total distance travelled by P during this time.
- 2. The velocity along a stream line passing through the origin is given by: I- 2x + What is the velocity and acceleration at (4, 3)? (Ans. 10 m/s, 20 m/s]Situation #4: At the bottom of a loop the speed of an airplane is 650kph. This causes a normal acceleration of 8g m/s². Find the radius of the loop.The elevator in an office building, starting from rest at the first floor, is accelerated 0.75 m/sec^2 for 5 seconds. It continues at constant velocity for 12 seconds more and is then stopped in 3 seconds with a constant deceleration. If the floors are 3.75 m apart, at what floor does the elevator stop?