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

Author Question: Why does it hurt more to fall from a certain height to the ground than it does to fall from the same ... (Read 55 times)

haleyc112

  • Hero Member
  • *****
  • Posts: 600
on: Jul 29, 2018
Why does it hurt more to fall from a certain height to the ground than it does to fall from the same height into a swimming pool?
 
  What will be an ideal response?

Question 2

A beam of white light of a certain frequency is incident on a metal surface. If the work function of this surface is 2.20 eV, what frequency of light would give a maximum kinetic energy of 0.25 eV to the photoelectrons ejected from this surface?
 
  A) 2.05  1014 Hz
  B) 1.02  1014 Hz
  C) 2.50  1014 Hz
  D) 3.53  1014 Hz
  E) 5.92  1014 Hz


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

owenfalvey

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 29, 2018
Answer to Question 1

You go much further into the water before coming to a stop, thus your acceleration is much smaller, and the force exerted by the water is much smaller than that exerted by the ground.

Answer to Question 2

E


haleyc112

  • Member
  • Posts: 600
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

pangili4

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Unstriped ground squirrel (Xerus rutilus) of the Xerini Unstriped ground squirrel (Xerus rutilus) of the Xerini
Fall Fall
Height versus Footsize Height versus Footsize
This training vehicle fell from the hoist because the pads were not set correctly. No one was hurt, ... This training vehicle fell from the hoist because the pads were not set correctly. No one was hurt, ...
Measuring a child’s height with a measuring stick Measuring a child’s height with a measuring stick
A comparison of a trait (height) that shows discontinuous and continuous phenotypes in different pla A comparison of a trait (height) that shows discontinuous and continuous phenotypes in different pla
Video: Autonomic Nervous System Animation

For a complete list of videos, visit our video library