4. The acceleration components of an object in m/s^2 are ax = 2t, a, = 4t? – 2, az = -6. At t=0, the position of the object is s=10j-10k (m) and its velocity is v=2i-4j (m/s). Hint: the unit vectors i, j, and k indicate direction of these vectors along the x-axis, y-axis, and z-axis, respectively) (a) Determine the x-component position when t=4sec. (b) Determine the y-component position when t=5sec. (c) Determine the z-component position when t=4sec.
4. The acceleration components of an object in m/s^2 are ax = 2t, a, = 4t? – 2, az = -6. At t=0, the position of the object is s=10j-10k (m) and its velocity is v=2i-4j (m/s). Hint: the unit vectors i, j, and k indicate direction of these vectors along the x-axis, y-axis, and z-axis, respectively) (a) Determine the x-component position when t=4sec. (b) Determine the y-component position when t=5sec. (c) Determine the z-component position when t=4sec.
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Transcribed Image Text:4. The acceleration components of an object in m/s^2 are ax = 2t, ay = 4t2 – 2, a, = -6.
At t=0, the position of the object is s=10j-10k (m) and its velocity is v=2i-4j (m/s). Hint:
the unit vectors i, j, and k indicate direction of these vectors along the x-axis, y-axis,
and z-axis, respectively)
(a) Determine the x-component position when t=4sec.
(b) Determine the y-component position when t=5sec.
(c) Determine the z-component position when t=4sec.
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