An avatar on the surface of the planet Pandora throws a rock of "unobtainium". time (s) y (m) x (m) She then records the vertical (y) position and the horizontal (x) position of the rock as a function of time, as recorded in the chart on the right. 10 1. On the grid shown, make a motion diagram of the motion of the rock, including (a) positions, (b) velocity vectors, and (c) acceleration vectors. 4 16 20 30 30 2. What is the velocity and acceleration of the rock in the horizontal direction? 8 48 40 10 70 50 70 3. What is the acceleration of the rock in the vertical 60 direction? 50 40 30 20 10 4. What is the initial velocity of the rock in the vertical direction? The answer is not 3 m/s. 10 20 30 40 50 x (meters) y (meters)
An avatar on the surface of the planet Pandora throws a rock of "unobtainium". time (s) y (m) x (m) She then records the vertical (y) position and the horizontal (x) position of the rock as a function of time, as recorded in the chart on the right. 10 1. On the grid shown, make a motion diagram of the motion of the rock, including (a) positions, (b) velocity vectors, and (c) acceleration vectors. 4 16 20 30 30 2. What is the velocity and acceleration of the rock in the horizontal direction? 8 48 40 10 70 50 70 3. What is the acceleration of the rock in the vertical 60 direction? 50 40 30 20 10 4. What is the initial velocity of the rock in the vertical direction? The answer is not 3 m/s. 10 20 30 40 50 x (meters) y (meters)
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
Section: Chapter Questions
Problem 29P: A delivery man starts at the post office, chives 40 km north, then 20 km west, then 60 km northeast,...
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Transcribed Image Text:An avatar on the surface of the planet Pandora throws a rock of "unobtainium".
time (s)
y (m)
х (m)
She then records the vertical (y) position and the horizontal (x) position of the
rock as a function of time, as recorded in the chart on the right.
2.
10
1. On the grid shown, make a motion diagram of the motion of the rock,
including (a) positions, (b) velocity vectors, and (c) acceleration vectors.
4
16
20
30
30
2. What is the velocity and acceleration of the rock in the horizontal direction?
8
48
40
10
70
50
70
3. What is the acceleration of the rock in the vertical
60
direction?
50
40
30
20
10
4. What is the initial velocity of the rock in the vertical
direction? The answer is not 3 m/s.
10
20
30
40
50
x (meters)
Physics 211
Projectile Motion Diagram
Kinematics 15-2
5. Write equations for the horizontal and vertical positions and velocities as a function of time for the rock. Include
numerical values and units on all coefficients.
x(t) =
vz (t) =
y(t) =
vy(t) =
6. Assume the same motion continues. How high has the rock risen when it has moved 75 meters horizontally?
Y (meters)
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