Homework Answers
By definition, differentiation means slope and integration means area.
So velocity is slope of x-t graph.
And displacement is area of v-t graph.
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Which of the following statements is true of the motion graphs of a moving object? O...
Formula Sheet (Phvsire Which one of the following quantities can be determined from the slope of...
Formula Sheet (Phvsire Which one of the following quantities can be determined from the slope of a velocity versus time graph for an object in motion? 20. A) distance traveled B) position C) velocity D) displacement E) acceleration A projectile is fired at an angle of 35.0° above the horizontal with an initial speed of 55.0 m/s. How long does it take the projectile to reach the highest point in its tra 21. jectory? A) 2.4s B) 9.8 s C)...
The motion map for an object moving along one direction is shownb a. Deseríbe the motion...
The motion map for an object moving along one direction is shownb a. Deseríbe the motion of the object in to prov b. On the graphs below, plot the pt the actual values for the object during each time interval and the position nd end felocty of nd the velocity vs. time of the object. or the object consualt an instructor Consult your group mates before you proceed The graph below shows the position vs, t possible, F. Plot the...
For an object is moving with constant positive acceleration, which of the following statements is true?...
For an object is moving with constant positive acceleration, which of the following statements is true? [Enter all correct answers eg. B or AC or ABC or ...] A) The position of the object must also be positive B) The velocity of the object must also be positive C) The velocity of the object must be zero D) The velocity of the object must be continually changing by the same amount each second E) None of the above Please explain.
Following are some statements about the motion of an object with constant acceleration. Check the correct...
Following are some statements about the motion of an object with constant acceleration. Check the correct statements. Pick all the correct statements (there are 4 of them) O The velocity curve slopes upward because the object is going faster and faster The velocity curve would still slope upward, even if the acceleration were zero. The graph of acceleration is a flat line because acceleration is constant. O The position graph gets steeper and steeper because the object goes faster and...
An object's motion is represented by the x vs. t graph shown below Hint: Velocity is...
An object's motion is represented by the x vs. t graph shown below Hint: Velocity is the slope of x vs. t graph, and acceleration is slope of v vs. t graph. 130 points: 5 points each r (s) t (a) a. Draw the corresponding v vs. t graph on the axes provided. b. Draw the corresponding a vs. t graph on the axes provided. c. At what times is the position a maximum (most positive)? At those times, is...
Which of the following statements is not true about projectile motion? ??
Which of the following statements is not true about projectile motion? ??Projectile motion is two dimensional. ?The faster an object is moving in the x direction, the faster it will move in the y direction. ?The horizontal and vertical components of a moving object are independent of one another. ?Projectile motion has both horizontal and vertical components
A child is moving in a straight line along a hallway. The velocity of the child...
A child is moving in a straight line along a hallway. The velocity of the child as a function of time is shown in the graph at right. Which of the following statements is true about the acceleration of the child at time t 4 seconds? Velocity Time, sec (a) I is positive (b) It is zero (c) I is negative (d) It cannot be determined from this graph. 2 Shown at right is a graph of velocity as a...
ltiple Choice Problem 2.10 Which of the following statements about the cat's motion must be true?...
ltiple Choice Problem 2.10 Which of the following statements about the cat's motion must be true? Select all that apply. Constants A cat runs in a straight line. The figure below shows a graph of the cat's position as a function of time. (Figure O The cat's velocity is zero at point b At point c, the cat has returned to the place where it started. The cat's speed is zero at points a and c. The cat reverses the...
1) A particle moves along the x-axis with an increasing speed. During the time for which...
1) A particle moves along the x-axis with an increasing speed. During the time for which this occurs, what MAY be the signs of the velocity and acceleration, respectively: A) positive and zero B) negative and negative C) positive and negative D) negative and zero E) negative and positive 2) After a ball is thrown upward and is in the air, what will its acceleration do? A) decrease and then increase B) decrease C) increase D) remain the same E)...
Which of the following statements is correct? (a)It is possible for an object to have motion...
Which of the following statements is correct? (a)It is possible for an object to have motion in the absence of forces on the object. (b)It is possible to have forces on an object in the absence of motion of the object. (c)Neither statement (a) nor statement (b) is correct. (d)Both statements (a) and (b) are correct
Formula Sheet (Phvsire Which one of the following quantities can be determined from the slope of a velocity versus time graph for an object in motion? 20. A) distance traveled B) position C) velocity D) displacement E) acceleration A projectile is fired at an angle of 35.0° above the horizontal with an initial speed of 55.0 m/s. How long does it take the projectile to reach the highest point in its tra 21. jectory? A) 2.4s B) 9.8 s C)...
The motion map for an object moving along one direction is shownb a. Deseríbe the motion of the object in to prov b. On the graphs below, plot the pt the actual values for the object during each time interval and the position nd end felocty of nd the velocity vs. time of the object. or the object consualt an instructor Consult your group mates before you proceed The graph below shows the position vs, t possible, F. Plot the...
Following are some statements about the motion of an object with constant acceleration. Check the correct statements. Pick all the correct statements (there are 4 of them) O The velocity curve slopes upward because the object is going faster and faster The velocity curve would still slope upward, even if the acceleration were zero. The graph of acceleration is a flat line because acceleration is constant. O The position graph gets steeper and steeper because the object goes faster and...
An object's motion is represented by the x vs. t graph shown below Hint: Velocity is the slope of x vs. t graph, and acceleration is slope of v vs. t graph. 130 points: 5 points each r (s) t (a) a. Draw the corresponding v vs. t graph on the axes provided. b. Draw the corresponding a vs. t graph on the axes provided. c. At what times is the position a maximum (most positive)? At those times, is...
A child is moving in a straight line along a hallway. The velocity of the child as a function of time is shown in the graph at right. Which of the following statements is true about the acceleration of the child at time t 4 seconds? Velocity Time, sec (a) I is positive (b) It is zero (c) I is negative (d) It cannot be determined from this graph. 2 Shown at right is a graph of velocity as a...
ltiple Choice Problem 2.10 Which of the following statements about the cat's motion must be true? Select all that apply. Constants A cat runs in a straight line. The figure below shows a graph of the cat's position as a function of time. (Figure O The cat's velocity is zero at point b At point c, the cat has returned to the place where it started. The cat's speed is zero at points a and c. The cat reverses the...
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