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

Author Question: A car is moving along a straight highway and accelerates at a constant rate while going from point A ... (Read 97 times)

Sufayan.ah

  • Hero Member
  • *****
  • Posts: 512
on: Jul 28, 2018
A car is moving along a straight highway and accelerates at a constant rate while going from point A to point B. If the acceleration is positive, increasing the speed of the car, where does the position where the instantaneous speed equals the average speed occur for the interval from A to B?
 a. midway between A and B
  c. closer to B than to A
  b. closer to A than to B
  d. Any of the answers could be correct depending on the original speed.

Question 2

A runner circles a track of radius 100 m in 100 s moving at a constant rate. If the runner was initially moving east, what has been the runner's average acceleration when halfway around the track?
 a. At a constant rate, the average acceleration would be zero.
  b. 0.13 m/s2, south
  c. 0.25 m/s2, west
  d. No answer is correct.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

olderstudent

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


Sufayan.ah

  • Member
  • Posts: 512
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

recede

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T
Four-point gait. Four-point gait.
Torque is a twisting force equal to the distance from the pivot point times the force applied ... Torque is a twisting force equal to the distance from the pivot point times the force applied ...
Determining the order and rate constant of an irreversible first-order reaction Determining the order and rate constant of an irreversible first-order reaction
Write equilibrium constant expressions for the following reactions in terms of concentration: Write equilibrium constant expressions for the following reactions in terms of concentration:
A three-point mapping cross in Drosophila melanogaster A three-point mapping cross in Drosophila melanogaster
Video: Integumentary Anatomy

For a complete list of videos, visit our video library