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

Author Question: An x-t graph is drawn for a ball moving in one direction. The graph starts at the origin and at t = ... (Read 19 times)

mia

  • Hero Member
  • *****
  • Posts: 564
on: Jul 28, 2018
An x-t graph is drawn for a ball moving in one direction. The graph starts at the origin and at t = 6 s the velocity of the ball is zero. We can be positive that at t = 6 s,
 a. the slope of the curve is non-zero.
  b. the acceleration is constant.
  c. the ball has stopped. d. none of the above answers is always correct.

Question 2

A European sports car dealer claims that his product will accelerate at a constant rate from rest to a speed of 100 km/hr in 8.00 s. What is the speed after the first 5.00 s of acceleration? (Hint: First convert the speed to m/s.)
 a. 34.7 m/s
  c. 23.1 m/s
  b. 44.4 m/s
  d. 17.4 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

meow1234

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

C

Answer to Question 2

D


mia

  • Member
  • Posts: 564
Reply 2 on: Jul 28, 2018
Wow, this really help

Mochi

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

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.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Photomicro graph showing the three layers of the skin. Photomicro graph showing the three layers of the skin.
Posteroanterior direction Posteroanterior direction
The Origin of Meteor Showers The Origin of Meteor Showers
The Primate order displays a diversity of ways of moving around. The Primate order displays a diversity of ways of moving around.
Jeremy Bentham, A General Idea of a Penitentiary Panopticon, drawn by Willey Reveley. Jeremy Bentham, A General Idea of a Penitentiary Panopticon, drawn by Willey Reveley.
a billiard ball physics question a billiard ball physics question
Video: Exercise and cardiac output

For a complete list of videos, visit our video library