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

Author Question: An object travels in a circle of radius 2.0 m with a constant speed of 4.0 m/s. What is the ... (Read 106 times)

formula1

  • Hero Member
  • *****
  • Posts: 666
on: Jul 28, 2018
An object travels in a circle of radius 2.0 m with a constant speed of 4.0 m/s. What is the direction of its acceleration?
 a. Toward the center of the circle
  b. Normal to the plane of the circle
  c. Insufficient data given for determination
  d. Tangential to the circle
  e. None of these

Question 2

When there is a net absorption of energy in a chemical reaction, it is called a(n) ______________ reaction.
 a. exothermic
  b. activation
  c. endothermic
  d. combustion


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Meganchabluk

  • Sr. Member
  • ****
  • Posts: 301
Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

c


formula1

  • Member
  • Posts: 666
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

bigsis44

  • Member
  • Posts: 317
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Average Hourly Earnings of U.S. Workers in Current and Constant Dollars Average Hourly Earnings of U.S. Workers in Current and Constant Dollars
Determining the order and rate constant of an irreversible first-order reaction Determining the order and rate constant of an irreversible first-order reaction
A batter hits a home run in which the ball travels 110 m horizontally with no appreciable ... A batter hits a home run in which the ball travels 110 m horizontally with no appreciable ...
Write equilibrium constant expressions for the following reactions in terms of concentration: Write equilibrium constant expressions for the following reactions in terms of concentration:
A 5.0-m radius playground merry-go-round with a moment of inertia of 2000 kg ∙ m2 is rotating ... A 5.0-m radius playground merry-go-round with a moment of inertia of 2000 kg ∙ m2 is rotating ...
A constant uniform magnetic field of 0.50 T is applied at right angles to the plane of a flat ... A constant uniform magnetic field of 0.50 T is applied at right angles to the plane of a flat ...
Video: Spermatogenesis Animation

For a complete list of videos, visit our video library