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

Author Question: Two children start at one end of a street, the origin, run to the other end, then head back. On the ... (Read 84 times)

piesebel

  • Hero Member
  • *****
  • Posts: 565
on: Jul 28, 2018
Two children start at one end of a street, the origin, run to the other end, then head back. On the way back Joan is ahead of Mike. Which statement is correct about the distances run and the displacements from the origin?
 a. Joan has run a greater distance and her displacement is greater than Mike's.
  b. Mike has run a greater distance and his displacement is greater than Joan's.
  c. Joan has run a greater distance, but her displacement is less than Mike's.
  d. Mike has run a greater distance, but his displacement is less than Joan's.
  e. Mike has run a shorter distance, and his displacement is less than Joan's.

Question 2

The position of a particle moving along the x axis is given by x = (21 + 22t - 6.0t2)m, where t is in s. What is the average velocity during the time interval t = 1.0 s to t = 3.0 s?
 a. -6.0 m/s
  b. -4.0 m/s
  c. -2.0 m/s
  d. -8.0 m/s
  e. 8.0 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

coreycathey

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


piesebel

  • Member
  • Posts: 565
Reply 2 on: Jul 28, 2018
Excellent

meganmoser117

  • Member
  • Posts: 303
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Midsagittal image of the head on an MRI scan Midsagittal image of the head on an MRI scan
When children are “launched” into independence, their parents often find new interests together ... When children are “launched” into independence, their parents often find new interests together ...
Apply the body wrap substance to the back with long, smooth strokes, covering the area thoroughly. Apply the body wrap substance to the back with long, smooth strokes, covering the area thoroughly.
Preparing a fission yeast replication origin for initiation Preparing a fission yeast replication origin for initiation
Children's Thinking (4e) By Martha W. Alibali Children's Thinking (4e) By Martha W. Alibali
Immunizing young children against a variety of diseases Immunizing young children against a variety of diseases
Video: baroreceptors

For a complete list of videos, visit our video library