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

Author Question: Changing the positive direction in a reference frame to the opposite direction does not change the ... (Read 262 times)

Medesa

  • Hero Member
  • *****
  • Posts: 507
on: Jul 28, 2018
Changing the positive direction in a reference frame to the opposite direction does not change the sign of which of the following quantities?
 a. velocity
  c. speed
  b. average velocity
  d. displacement

Question 2

A ball is thrown vertically upwards at 9.8 m/s. For its complete trip (up and back down to the starting position), its average velocity is:
 a. 19.6 m/s.
  c. 4.90 m/s.
  b. 9.80 m/s.
  d. not given.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Alyson.hiatt@yahoo.com

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

D


Medesa

  • Member
  • Posts: 507
Reply 2 on: Jul 28, 2018
:D TYSM

atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m
The Revolutionary Change in the U.S Workforce The Revolutionary Change in the U.S Workforce
Tall pad extensions can also be used to gain access to the frame of a vehicle. This position is ... Tall pad extensions can also be used to gain access to the frame of a vehicle. This position is ...
Fuel lines are routed along the frame or body and secured with clips. Fuel lines are routed along the frame or body and secured with clips.
By 2100, significant change will be in the far northern latitudes, parts of Asia, and Sub-Saharan By 2100, significant change will be in the far northern latitudes, parts of Asia, and Sub-Saharan
Control of Homeostasis: Positive Feedback Control of Homeostasis: Positive Feedback
Video: Burn Animation

For a complete list of videos, visit our video library