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

Author Question: If a light bulb has half the resistance of a 50-W lightbulb, what would be its wattage? Assume both ... (Read 149 times)

melly21297

  • Hero Member
  • *****
  • Posts: 565
on: Jul 28, 2018
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
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

D


melly21297

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

apple

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

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?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Lake 226 at the Experimental Lakes Area divided in half. Lake 226 at the Experimental Lakes Area divided in half.
Which wavelengths of light are most effective at photosynthesis? Which wavelengths of light are most effective at photosynthesis?
Apply compression and light effleurage techniques to the foot and ankle to warm the area. Apply compression and light effleurage techniques to the foot and ankle to warm the area.
Speed of Light in Different Mediums Speed of Light in Different Mediums
Is this glass half empty or half full? Is this glass half empty or half full?
A monochromatic beam of light of wavelength 600 nm is incident normally on a diffraction ... A monochromatic beam of light of wavelength 600 nm is incident normally on a diffraction ...
Video: Dorsal Recumbent Position

For a complete list of videos, visit our video library