Author Question: The figure shows the position of an object (moving along a straight line) as a function of time. ... (Read 292 times)

luminitza

  • Hero Member
  • *****
  • Posts: 555
The figure shows the position of an object (moving along a straight line) as a function of time. Assume two significant figures in each number. Which of the following statements about this object is true over the interval shown?
 
  A) The object is accelerating to the left.
  B) The object is accelerating to the right.
  C) The acceleration of the object is in the same direction as its velocity.
  D) The average speed of the object is 1.0 m/s.

Question 2

The motions of a car and a truck along a straight road are represented by the velocity-time graphs in the figure. The two vehicles are initially alongside each other at time t = 0. At time T, what is true about these two vehicles since time t = 0?
 
  A) The truck will have traveled further than the car.
  B) The car will have traveled further than the truck.
  C) The truck and the car will have traveled the same distance.
  D) The car will be traveling faster than the truck.



yotaSR5

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

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?

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?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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?

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.

For a complete list of videos, visit our video library