This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The figure represents the position of a particle as it travels along the x-axis. Between t = 2 s and ... (Read 298 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
on: Jul 29, 2018
The figure represents the position of a particle as it travels along the x-axis. Between t = 2 s and t = 4 s, what is (a) the average speed of the particle and (b) the average velocity of the particle?
 
  What will be an ideal response?

Question 2

A racing car accelerates uniformly from rest along a straight track. This track has markers spaced at equal distances along it from the start, as shown in the figure. The car reaches a speed of 140 km/h as it passes marker 2.
 
  Where on the track was the car when it was traveling at 70 km/h?
 
  A) Before marker 1
  B) At marker 1
  C) Between marker 1 and marker 2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

apple

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: (a) 1.0 m/s (b) 0.00 m/s

Answer to Question 2

Answer: A


JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jul 29, 2018
Thanks


apple

  • Sr. Member
  • ****
  • Posts: 352
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Lake position in the landscape and proportion of water received as groundwater (data from Webster et Lake position in the landscape and proportion of water received as groundwater (data from Webster et
Demonstrate the Application of Triangular, Figure-Eight, and Tubular Bandages Demonstrate the Application of Triangular, Figure-Eight, and Tubular Bandages
The default position for the throttle plate is in slightly open position. The servomotor then is ... The default position for the throttle plate is in slightly open position. The servomotor then is ...
Mobilize neck in wavelike motion. Return the head to a neutral position facing upward. Apply ... Mobilize neck in wavelike motion. Return the head to a neutral position facing upward. Apply ...
The position of the fetus is first determined by ultrasound The position of the fetus is first determined by ultrasound
Which reaction below represents Th decay by alpha emission? Which reaction below represents Th decay by alpha emission?
Video: Condensation and Hydrolysis Animation

For a complete list of videos, visit our video library