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.
A factorization A = PDP 1 is not unique. For A=
7 2
-4 1
1
1
5 0
2
1
one factorization is P =
D=
and P-1
30
=
Use this information with D₁
=
to find a matrix P₁ such that
-
-1 -2
0 3
1
-
- 1
05
A-P,D,P
P1
(Type an integer or simplified fraction for each matrix element.)
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