Author Question: A 9.0-V battery moves 200 mC of charge through a circuit running from its positive terminal to its ... (Read 87 times)

j.rubin

  • Hero Member
  • *****
  • Posts: 557
A 9.0-V battery moves 200 mC of charge through a circuit running from its positive terminal to its negative terminal. How much energy was delivered to the circuit?
 a. 4.5 x 103 J
  c. 2.2 mJ
  b. 1.8 J
  d. 0.18 J

Question 2

A model car is propelled by a cylinder of carbon dioxide gas. The cylinder emits gas at a rate of 4.5 g/s with an exit speed of 80.0 m/s. The car has a mass of 200 g, including the CO2 cylinder. Starting from rest, what is the car's initial acceleration?
 a. 0.90 m/s2
  c. 9.0 m/s2
  b. 1.8 m/s2
  d. 36 m/s2



laurnthompson

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

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?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

For a complete list of videos, visit our video library