« previous next »

Author Question: An automobile travels due north with a speed of 77 km/h that is decreasing. All forces considered, ... (Read 159 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?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Speed of Earth Speed of Earth
J. M. W. Turner, Rain, Steam, and Speed—The Great Western Railway. J. M. W. Turner, Rain, Steam, and Speed—The Great Western Railway.
Southwest Asia and North Africa Southwest Asia and North Africa
A 4.0-kg block slides down a 35 incline at a constant speed when a 16-N force is applied acting ... A 4.0-kg block slides down a 35 incline at a constant speed when a 16-N force is applied acting ...
A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ... A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ...
A simple harmonic oscillator has an amplitude of 3.50 cm and a maximum speed of A simple harmonic oscillator has an amplitude of 3.50 cm and a maximum speed of
Video: Bulk flow - Factors that influence bulk flow

For a complete list of videos, visit our video library