Question

Notify Me Bookmark

Starting from a pillar, you run a distance 200 m east (the +x-direction) at an average speed of 5.0 m/s, and then run a distance 280 m west at an average speed of 4.0 m/s to a post. Part A Calculate your average speed from pillar to post. Express your answer in meters per second. vav = m/s Submit Request Answer Part B Calculate your average velocity from pillar to post. Express your answer in meters per second.

Starting from a pillar, you run a distance 200 m east (the +x-direction) at an average speed of 5.0 m/s, and then run a distance 280 m west at an average speed of 4.0 m/s to a post. Part A Calculate your average speed from pillar to post. Express your answer in meters per second. vav = m/s Submit Request Answer Part B Calculate your average velocity from pillar to post. Express your answer in meters per second.

Image text
Starting from a pillar, you run a distance 200 m east (the + x -direction) at an average speed of 5.0 m / s , and then run a distance 280 m west at an average speed of 4.0 m / s to a post. Part A Calculate your average speed from pillar to post. Express your answer in meters per second.
v a v = m / s
Submit Request Answer Part B
Calculate your average velocity from pillar to post. Express your answer in meters per second.

Detailed Answer

0 0

Please enter your email here. You will get email when this question is answered by our tutor.

Doubtrix Logo

Problem is not yet solved!

Click on Notify me to get email when question is answered.

Join Doubtrix with 7-days free trial

  • Icon Correct & Verified Answers
  • Icon No AI-Generated Answers
  • Icon Video Solution for Difficult Questions
  • Icon Work With Experts to Reach at Correct Answers
Notify me Login Sign Up

Similar/Related Questions

A ball moves in a straight line (the x-axis). The graph in the figure (Figure 1) shows this ball's velocity as a function of time. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Average and instantaneous velocities. Figure 1 of 1 Part A What is the ball's average velocity during the first 2.7 s ? Express your answer in meters per second. Submit Request Answer Part B What is the ball's average speed during the first 2.7 s ? Express your answer in meters per second. vav = m/s Part C Suppose that the ball moved in such a way that the graph segment after 2.0 s was −3.0 m/s instead of +3.0 m/s. Find the ball's average velocity during the first 2.7 s in this case. Express your answer in meters per second. vav = m/s Submit Request Answer Part D Find the ball's average speed during the first 2.7 s in the case described in part C. Express your answer in meters per second.A ball moves in a straight line (the x-axis). The graph in the figure (Figure 1) shows this ball's velocity as a function of time. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Average and instantaneous velocities. Figure 1 of 1 Part A What is the ball's average velocity during the first 2.7 s ? Express your answer in meters per second. Submit Request Answer Part B What is the ball's average speed during the first 2.7 s ? Express your answer in meters per second. vav = m/s Part C Suppose that the ball moved in such a way that the graph segment after 2.0 s was −3.0 m/s instead of +3.0 m/s. Find the ball's average velocity during the first 2.7 s in this case. Express your answer in meters per second. vav = m/s Submit Request Answer Part D Find the ball's average speed during the first 2.7 s in the case described in part C. Express your answer in meters per second.A ball moves in a straight line (the x-axis). The graph in the figure (Figure 1) shows this ball's velocity as a function of time. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Average and instantaneous velocities. Figure 1 of 1 Part A What is the ball's average velocity during the first 2.7 s ? Express your answer in meters per second. Submit Request Answer Part B What is the ball's average speed during the first 2.7 s ? Express your answer in meters per second. vav = m/s Part C Suppose that the ball moved in such a way that the graph segment after 2.0 s was −3.0 m/s instead of +3.0 m/s. Find the ball's average velocity during the first 2.7 s in this case. Express your answer in meters per second. vav = m/s Submit Request Answer Part D Find the ball's average speed during the first 2.7 s in the case described in part C. Express your answer in meters per second.
Solution
0 0

A man stands on the roof of a building of height 14.0 m and throws a rock with a velocity of magnitude 34.0 m/s at an angle of 26.0∘ above the horizontal. You can ignore air resistance. Part A Calculate the maximum height above the roof reached by the rock. Express your answer in meters. Part B Calculate the magnitude of the velocity of the rock just before it strikes the ground. Express your answer in meters per second. v = m/s Submit Request Answer Part C Calculate the horizontal distance from the base of the building to the point where the rock strikes the ground. Express your answer in meters.A man stands on the roof of a building of height 14.0 m and throws a rock with a velocity of magnitude 34.0 m/s at an angle of 26.0∘ above the horizontal. You can ignore air resistance. Part A Calculate the maximum height above the roof reached by the rock. Express your answer in meters. Part B Calculate the magnitude of the velocity of the rock just before it strikes the ground. Express your answer in meters per second. v = m/s Submit Request Answer Part C Calculate the horizontal distance from the base of the building to the point where the rock strikes the ground. Express your answer in meters.
Solution
0 0

A car is stopped at a traffic light. It then travels along a straight road so that its distance from the light is given by x(t) = bt2 − ct3, where b = 3.00 m/s2 and c = 0.130 m/s3. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Average and instantaneous velocities. Part A Calculate the average velocity of the car for the time interval t = 0 to t = 10.0 s. Express your answer in meters per second. Part B Calculate the instantaneous velocity of the car at t = 0. Express your answer in meters per second. Submit Request Answer Part C Calculate the instantaneous velocity of the car at t = 5.00 s. Express your answer in meters per second. Part D Calculate the instantaneous velocity of the car at t = 10.0 s. Express your answer in meters per second. Submit Request Answer Part E How long after starting from rest is the car again at rest? Express your answer in seconds. t = sA car is stopped at a traffic light. It then travels along a straight road so that its distance from the light is given by x(t) = bt2 − ct3, where b = 3.00 m/s2 and c = 0.130 m/s3. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Average and instantaneous velocities. Part A Calculate the average velocity of the car for the time interval t = 0 to t = 10.0 s. Express your answer in meters per second. Part B Calculate the instantaneous velocity of the car at t = 0. Express your answer in meters per second. Submit Request Answer Part C Calculate the instantaneous velocity of the car at t = 5.00 s. Express your answer in meters per second. Part D Calculate the instantaneous velocity of the car at t = 10.0 s. Express your answer in meters per second. Submit Request Answer Part E How long after starting from rest is the car again at rest? Express your answer in seconds. t = sA car is stopped at a traffic light. It then travels along a straight road so that its distance from the light is given by x(t) = bt2 − ct3, where b = 3.00 m/s2 and c = 0.130 m/s3. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Average and instantaneous velocities. Part A Calculate the average velocity of the car for the time interval t = 0 to t = 10.0 s. Express your answer in meters per second. Part B Calculate the instantaneous velocity of the car at t = 0. Express your answer in meters per second. Submit Request Answer Part C Calculate the instantaneous velocity of the car at t = 5.00 s. Express your answer in meters per second. Part D Calculate the instantaneous velocity of the car at t = 10.0 s. Express your answer in meters per second. Submit Request Answer Part E How long after starting from rest is the car again at rest? Express your answer in seconds. t = s
Solution
0 0