Three-dimensional motion Consider the motion of the following objects. Assume the x-axis points east, the y-axis points north, the positive z-axis is vertical and opposite g, the ground is horizontal, and only the gravitational force acts on the object unless otherwise stated. a. Find the velocity and position vectors , for t ≥ 0. b. Make a sketch of the trajectory. c. Determine the time of flight and range of the object. d. Determine the maximum height of the object. 51. A small rocket is fired from a launch pad 10 m above the ground with an initial velocity, in m/s, of 〈300, 400, 500〉. A crosswind blowing to the north produces an acceleration of the rocket of 2.5 m/s 2 .
Three-dimensional motion Consider the motion of the following objects. Assume the x-axis points east, the y-axis points north, the positive z-axis is vertical and opposite g, the ground is horizontal, and only the gravitational force acts on the object unless otherwise stated. a. Find the velocity and position vectors , for t ≥ 0. b. Make a sketch of the trajectory. c. Determine the time of flight and range of the object. d. Determine the maximum height of the object. 51. A small rocket is fired from a launch pad 10 m above the ground with an initial velocity, in m/s, of 〈300, 400, 500〉. A crosswind blowing to the north produces an acceleration of the rocket of 2.5 m/s 2 .
Three-dimensional motionConsider the motion of the following objects. Assume the x-axis points east, the y-axis points north, the positive z-axis is vertical and opposite g, the ground is horizontal, and only the gravitational force acts on the object unless otherwise stated.
a.Find the velocity and position vectors, for t ≥ 0.
b.Make a sketch of the trajectory.
c.Determine the time of flight and range of the object.
d.Determine the maximum height of the object.
51. A small rocket is fired from a launch pad 10 m above the ground with an initial velocity, in m/s, of 〈300, 400, 500〉. A crosswind blowing to the north produces an acceleration of the rocket of 2.5 m/s2.
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
Consider the following system of equations, Ax=b :
x+2y+3z - w = 2
2x4z2w = 3
-x+6y+17z7w = 0
-9x-2y+13z7w = -14
a. Find the solution to the system. Write it as a parametric equation. You can use a
computer to do the row reduction.
b. What is a geometric description of the solution? Explain how you know.
c. Write the solution in vector form?
d. What is the solution to the homogeneous system, Ax=0?
2. Find a matrix A with the following qualities
a. A is 3 x 3.
b. The matrix A is not lower triangular and is not upper triangular.
c. At least one value in each row is not a 1, 2,-1, -2, or 0
d. A is invertible.
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