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

Author Question: When can we be certain that the average velocity of an object is always equal to its instantaneous ... (Read 253 times)

jlmhmf

  • Hero Member
  • *****
  • Posts: 552
on: Jul 29, 2018
When can we be certain that the average velocity of an object is always equal to its instantaneous velocity?
 
  A) always
  B) never
  C) only when the velocity is constant
  D) only when the acceleration is constant
  E) only when the acceleration is changing at a constant rate

Question 2

The motion of a particle is described in the velocity versus time graph shown in the figure. We can say that its speed
 
  A) increases.
  B) decreases.
  C) increases and then decreases.
  D) decreases and then increases.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bulacsom

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: D


jlmhmf

  • Member
  • Posts: 552
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

raili21

  • Member
  • Posts: 324
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

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?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Light rays coming from an object to the retina. Light rays coming from an object to the retina.
Average Global Temperature Rise over the Past Century Average Global Temperature Rise over the Past Century
These photos show a rat burying a test object from which it has just received a single mild shock. These photos show a rat burying a test object from which it has just received a single mild shock.
Average Number of Hours Slept per Day by Various Mammalian Species Average Number of Hours Slept per Day by Various Mammalian Species
Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ... Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ...
Calculate the weighted-average cost of the following inventory purchases:DateQuantity ... Calculate the weighted-average cost of the following inventory purchases:DateQuantity ...
Video: Mechanics of Sound Animation

For a complete list of videos, visit our video library