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

Author Question: If a 9.0-V battery, with negligible internal resistance, and an 27-W resistor are connected in ... (Read 87 times)

Haya94

  • Hero Member
  • *****
  • Posts: 558
on: Jul 28, 2018
If a 9.0-V battery, with negligible internal resistance, and an 27-W resistor are connected in series, what is the amount of electrical energy transformed to heat per coulomb of charge that flows through the circuit?
 a. 0.50 J
  c. 3.0 J
  b. 9.0 J
  d. 72 J

Question 2

A solid sphere of mass 2.5 kg and radius 0.12 m is at rest at the top of a ramp inclined 15. It rolls to the bottom without slipping. The upper end of the ramp is 1.2 m higher than the lower end. Find the sphere's total kinetic energy when it reaches the bottom.
 a. 70 J
  c. 29 J
  b. 47 J
  d. 8.8 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tdewitt

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


Haya94

  • Member
  • Posts: 558
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

T4T

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

External and internal male genitalia. External and internal male genitalia.
A schematic showing that an inertia switch is connected in series between the fuel-pump relay and ... A schematic showing that an inertia switch is connected in series between the fuel-pump relay and ...
The major internal features of a neuron. The major internal features of a neuron.
Internal and External Loci of Control Internal and External Loci of Control
The figure shows an LR circuit with a switch and a 240-volt battery. At the instant the switch ... The figure shows an LR circuit with a switch and a 240-volt battery. At the instant the switch ...
bird internal bird internal
Video: Neuron Structure Animation

For a complete list of videos, visit our video library