4 the position of a crate sliding down a ramp is given by x...

Name: 4 the position of a crate sliding down a ramp is given by x 025t3 m y 15t2 m and z 6 075t2 where t is in seconds determine the magnitude of the crates velocity and acceleration when t50 s 5 72895
Uploaded: 2020-08-07T06:09:06-08:00
Duration: 2 min 1 s
Channel: Zulfiqar Ali
Description: 4 the position of a crate sliding down a ramp is given by x 025t3 m y 15t2 m and z 6 075t2 where t is in seconds determine the magnitude of the crates velocity and acceleration when t50 s 5 72895

4. The position of a crate sliding down a ramp is given by $x = (0.25t^3)$ m, $y = (1.5t^2)$ m, and $z = (6 - 0.75t^2)$, where $t$ is in seconds. Determine the magnitude of the crate's velocity and acceleration when $t=5.0$ s. 5. It is observed that the time for the ball to strike the ground at B is 2.5 s. Determine the speed $V_A$ and angle $\theta_A$ at which the ball was thrown.

The velocity of a crate traveling along the axis is shown as a function of time in the figure below. If the crate is at x = 0 when t = 0, answer the following. (a) What is the object's acceleration (in m/s^2) between 0 and 4.00 s? (Indicate the direction with the sign of your answer.) (b) What is the object's acceleration (in m/s^2) between 4.00 s and 10.0 s? (Indicate the direction with the sign of your answer.) (c) What is the object's acceleration (in m/s^2) between 13.0 s and 18.0 s? (Indicate the direction with the sign of your answer.) (d) At what time(s) (in s) is the object moving with the lowest speed? (If there is more than one time, enter the times from smallest to largest. If there is only one time, enter 0 in the second box.) (e) At what time (in s) is the object farthest from x = 0? (f) What is the final position x (in m) of the object at t = 18 s? (g) Through what total distance (in m) has the object moved between t = 0 and t = 18 s?

Adi S.

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