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 108 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

ttt030911

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Height and weight table Height and weight table
This pediatric growth chart tracks the height and weight for girls ages 2–20. This pediatric growth chart tracks the height and weight for girls ages 2–20.
Nomogram chart. This example shows a line drawn from a child’s height of 100 cm to his weight, 35 ... Nomogram chart. This example shows a line drawn from a child’s height of 100 cm to his weight, 35 ...
A 2-kg box of taffy candy has 40 J of potential energy relative to the ground. Its height above ... A 2-kg box of taffy candy has 40 J of potential energy relative to the ground. Its height above ...
Continuous Variation in Height (Males) Continuous Variation in Height (Males)
Adult height Adult height
Video: Functional zones in a mitochondrion

For a complete list of videos, visit our video library