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

Author Question: A heavy seesaw is out of balance. A lightweight girl sits on the end that is tilted downward, and a ... (Read 87 times)

anshika

  • Hero Member
  • *****
  • Posts: 510
on: Jul 27, 2018
A heavy seesaw is out of balance. A lightweight girl sits on the end that is tilted downward, and a heavy boy sits on the other side so that the seesaw now balances.
 
  If the boy and girl both move forward so that they are one-half their original distance from the pivot point, what will happen to the seesaw? A) The side the girl is sitting on will once again tilt downward.
  B) The side the boy is sitting on will now tilt downward.
  C) Nothing, the seesaw will still be balanced.
  D) It is impossible to say without knowing the masses of the children.
  E) It is impossible to say without knowing the values of the original distances.

Question 2

For what slit separation will no 1st order double-slit-fringe appear for 550. nm light?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

frogdreck123456

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

d less than 550. nm


anshika

  • Member
  • Posts: 510
Reply 2 on: Jul 27, 2018
Gracias!

Mochi

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Sensing of balance in aquatic invertebrates. Sensing of balance in aquatic invertebrates.
This girl has a long leg cast, which was applied after surgery to correct her clubfoot. This girl has a long leg cast, which was applied after surgery to correct her clubfoot.
Material Balance on the process pipe and the separator Material Balance on the process pipe and the separator
Material Balance over #3 Heat Exchanger Material Balance over #3 Heat Exchanger
Downward movement of the piston lowers the air pressure inside the combustion chamber. The pressure ... Downward movement of the piston lowers the air pressure inside the combustion chamber. The pressure ...
The Romberg test for balance The Romberg test for balance
Video: Summary of glucose catabolism

For a complete list of videos, visit our video library