This topic contains a solution. Click here to go to the answer

Author Question: If a light bulb has half the resistance of a 50-W lightbulb, what would be its wattage? Assume both ... (Read 92 times)

melly21297

  • Hero Member
  • *****
  • Posts: 565
If a light bulb has half the resistance of a 50-W lightbulb, what would be its wattage? Assume both bulbs are attached to the same 120-V circuit.
 a. More information is needed. c. 200 W
  b. 25 W
  d. 100 W

Question 2

A box slides down a frictionless incline, and a hoop rolls down another incline. Both inclines have the same height, and both the box and the hoop have the same mass. If both objects start from rest, upon reaching the bottom of the incline which one will have the greater kinetic energy and which one will have the greater speed?
 a. The box will have both the greater kinetic energy and the greater speed. b. The hoop will have both the greater kinetic energy and the greater speed. c. Both will have the same kinetic energy, but the hoop will have the greater speed. d. Both will have the same kinetic energy, but the box will have the greater speed.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

rosiehomeworddo

  • Sr. Member
  • ****
  • Posts: 306
Answer to Question 1

D

Answer to Question 2

D




melly21297

  • Member
  • Posts: 565
Reply 2 on: Jul 28, 2018
Gracias!


TheNamesImani

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Excellent

 

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

For a complete list of videos, visit our video library