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 119 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
:D TYSM

31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Light-Gathering Power Light-Gathering Power
A mere one-half percent of Americans owns over a quarter of the entire nation’s wealth. Very few ... A mere one-half percent of Americans owns over a quarter of the entire nation’s wealth. Very few ...
A “reduced power” warning light indicates a fault with the electronic throttle control system on ... A “reduced power” warning light indicates a fault with the electronic throttle control system on ...
People with night eating syndrome may consume more than half their day's calories between 8 pm ... People with night eating syndrome may consume more than half their day's calories between 8 pm ...
Testing the strength of the trapezius muscle against resistance Testing the strength of the trapezius muscle against resistance
Video: Protein Structure - Primary, Secondary, Tertiary and Quaternary

For a complete list of videos, visit our video library