« previous next »

Author Question: An automobile travels due north with a speed of 77 km/h that is decreasing. All forces considered, ... (Read 126 times)

oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
on: Jul 28, 2018
An automobile travels due north with a speed of 77 km/h that is decreasing. All forces considered, the unbalanced force acting on the auto is
 a. zero.
  b. southward.
  c. northward.
  d. downward.
  e. upward.

Question 2

When the equation H2O + NO2  NO + HNO3 is balanced, the sum of all the coefficients (both written and understood) is ______________.
 Fill in the blank(s) with correct word


macybarnes

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

7 (coefficients in order are 1, 3, 1, 2)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


macybarnes

  • Sr. Member
  • ****
  • Posts: 312
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Coal Strip Mining in North Dakota Coal Strip Mining in North Dakota
The chemical synapse. Step 1: The impulse travels down the axon. Step 2: Vesicles are stimulated to ... The chemical synapse. Step 1: The impulse travels down the axon. Step 2: Vesicles are stimulated to ...
A rapidly vibrating needle at idle that becomes steady as engine speed is increased indicates worn ... A rapidly vibrating needle at idle that becomes steady as engine speed is increased indicates worn ...
The Dust Bowl in North America The Dust Bowl in North America
Gulf Stream/North Atlantic Current Gulf Stream/North Atlantic Current
You ride a motor scooter 8 km in 10 minutes. Your speed is You ride a motor scooter 8 km in 10 minutes. Your speed is
Video: SNP Polymorphysim Microarray Chip - How to Test a Person's DNA

For a complete list of videos, visit our video library