Homework Answers
For Q8 and 9, we use the concept that slope of displacement time graph gives velocity.
For Q10, we use the concept of average velocity as net displacement divided by time.
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The following is a position-time graph for an object during a 5.0s time interval Time (s)...
Position Graph Velocity Graph time (s) time (s) (a) On the coordinate axis below, draw a...
Position Graph Velocity Graph time (s) time (s) (a) On the coordinate axis below, draw a motion diagram for this object moving from t-0 to 3 second Show 4 events using one-second intervals. A motion diagram includes position dots, time, and velocity vectors -5 m -3 m 2 m -l m r 0 Im (b) On the coordinate axis below, draw a motion diagram for this object moving from t-3 to 5 second Show 3 events using one-second intervals. A...
The graph below describes the position x vs time of an object. Draw as precisely as...
The graph below describes the position x vs time of an
object.
Draw as precisely as you can a motion diagram below: (dots,
starting at 0 [m] every 2 seconds)
Draw a graph below it to represent the velocity vs time of the
cart
Position (m) vs time[s] 10 9 CO 7 그림 영역 6 5 4 3 2. 1 0 0 5 10 15 20 25 t a. Draw as precisely as you can a motion diagram below: (dots,...
A position-time graph is shown below: Position vs. Time 15 Position (cm) -> Time (seconds) ->...
A position-time graph is shown below: Position vs. Time 15 Position (cm) -> Time (seconds) -> Which statement accurately describes the motion of the object in the graph above over 10 seconds? The object moves forward at 1 cm/s, stops, and then continues at the same velocity. The object moves forward at 1 cm/s, stops, and then increases velocity to 2 cm/s. The object is at rest for 4 seconds and then moves forward for 4 seconds at 1 cm/s....
What is the average velocity of the object during the time interval t = 0 to t = 30 s? b. What is the average speed of the object during the time interval t = 0 to t = 30 s? c. Use the given graph to sketch the graph of velocity.
An object is moving along the x-axis. The graph shows its position from the starting point as a function of time. Various segments of the graph are identified by the letters A, B, C, and D. a. What is the average velocity of the object during the time interval t = 0 to t = 30 s?b. What is the average speed of the object during the time interval t = 0 to t = 30 s?c. Use the given graph...
1) during what time interval does car c pass car a? 2) during what time interval...
1)
during what time interval does car c pass car a?
2) during what time interval does
car b pass car c?
Suppose you are looking down from a helicopter at three cars traveling in the same direction along a freeway. The positions of the three cars every 2 seconds are represented by dots on the diagram. The positive direction is to the right.
2. For each of the following motions draw a motion diagram, a position-vs-time graph, and a...
2. For each of the following motions draw a motion diagram, a position-vs-time graph, and a velocity-vs-time graph. a. A car starts from rest, steadily speeds up to 40 mph in 15s, moves at a constant speed for 30s, b. then comes to a halt in 5s A rock is dropped from a bridge and steadily speeds up as it falls. It is moving at 30 m/s when it hits the ground 3s later. Think carefully about the signs.
KINEMATICS AND DYNAMICS 1. Velocity versus time graphs for five objects are shown below. All axes...
KINEMATICS AND DYNAMICS 1. Velocity versus time graphs for five objects are shown below. All axes have the same scale. Which object had the greatest change in position during the interval? Time To the right is a graph of an object's position. Which sentence is the best interpretation of the motion of the object as shown by the graph? 2. A. The object is moving with a constant, non- zero acceleration. B. The object is not moving. C. The object...
At time t = 0, the initial position of an object is x1 = -5.00 m....
At time t = 0, the initial position of an object is x1 = -5.00 m. Three seconds later he is in position x2 = 4.00m and finally moves to position x3 = -8.00m for a total time of seven seconds. The speed Average (in m / s) between position x2 and position x3 is:
.4.5 프 Assigned Media A body moves on a coordinate line such that it has a position s fon the interval 1sts2 with s in meters and t in seconds. a position s f) on the interval a Find the body...
.4.5 프 Assigned Media A body moves on a coordinate line such that it has a position s fon the interval 1sts2 with s in meters and t in seconds. a position s f) on the interval a Find the body's displacement and average velocity for the given time interval. b. Find the body's speed and acceleration at the endpoints of the interval c. When, if ever, during the interval does the body change direction?
.4.5 프 Assigned Media A...
1. The graph shows the motion of an object traveling in a straight line as a...
1. The graph shows the motion of an object traveling in a straight line as a function of time. What is the average speed of the object during the first two seconds? 5 m/s 2.5 m/s 10 m/s 20 m/s 2. Using the velocity versus time graph, what was the average acceleration of the object during segment B? 0 m/s/s 20 ms/s 10 m/s/s 5 m/s/s 3. Remember to identify all your data, write the equation, and show your work....
Position Graph Velocity Graph time (s) time (s) (a) On the coordinate axis below, draw a motion diagram for this object moving from t-0 to 3 second Show 4 events using one-second intervals. A motion diagram includes position dots, time, and velocity vectors -5 m -3 m 2 m -l m r 0 Im (b) On the coordinate axis below, draw a motion diagram for this object moving from t-3 to 5 second Show 3 events using one-second intervals. A...
The graph below describes the position x vs time of an
object.
Draw as precisely as you can a motion diagram below: (dots,
starting at 0 [m] every 2 seconds)
Draw a graph below it to represent the velocity vs time of the
cart
Position (m) vs time[s] 10 9 CO 7 그림 영역 6 5 4 3 2. 1 0 0 5 10 15 20 25 t a. Draw as precisely as you can a motion diagram below: (dots,...
A position-time graph is shown below: Position vs. Time 15 Position (cm) -> Time (seconds) -> Which statement accurately describes the motion of the object in the graph above over 10 seconds? The object moves forward at 1 cm/s, stops, and then continues at the same velocity. The object moves forward at 1 cm/s, stops, and then increases velocity to 2 cm/s. The object is at rest for 4 seconds and then moves forward for 4 seconds at 1 cm/s....
An object is moving along the x-axis. The graph shows its position from the starting point as a function of time. Various segments of the graph are identified by the letters A, B, C, and D. a. What is the average velocity of the object during the time interval t = 0 to t = 30 s?b. What is the average speed of the object during the time interval t = 0 to t = 30 s?c. Use the given graph...
1)
during what time interval does car c pass car a?
2) during what time interval does
car b pass car c?
Suppose you are looking down from a helicopter at three cars traveling in the same direction along a freeway. The positions of the three cars every 2 seconds are represented by dots on the diagram. The positive direction is to the right.
2. For each of the following motions draw a motion diagram, a position-vs-time graph, and a velocity-vs-time graph. a. A car starts from rest, steadily speeds up to 40 mph in 15s, moves at a constant speed for 30s, b. then comes to a halt in 5s A rock is dropped from a bridge and steadily speeds up as it falls. It is moving at 30 m/s when it hits the ground 3s later. Think carefully about the signs.
KINEMATICS AND DYNAMICS 1. Velocity versus time graphs for five objects are shown below. All axes have the same scale. Which object had the greatest change in position during the interval? Time To the right is a graph of an object's position. Which sentence is the best interpretation of the motion of the object as shown by the graph? 2. A. The object is moving with a constant, non- zero acceleration. B. The object is not moving. C. The object...
.4.5 프 Assigned Media A body moves on a coordinate line such that it has a position s fon the interval 1sts2 with s in meters and t in seconds. a position s f) on the interval a Find the body's displacement and average velocity for the given time interval. b. Find the body's speed and acceleration at the endpoints of the interval c. When, if ever, during the interval does the body change direction?
.4.5 프 Assigned Media A...
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