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 91 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
Great answer, keep it coming :)

amandanbreshears

  • Member
  • Posts: 320
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

A herd of barren-ground caribou at the Thelon River. This subspecies is a long-distance migrant A herd of barren-ground caribou at the Thelon River. This subspecies is a long-distance migrant
Fall Fall
Although Neandertal brain sizes fall well within the modern human range, their EQ is lower than mode Although Neandertal brain sizes fall well within the modern human range, their EQ is lower than mode
Sixteen-pin OBD II DLC with terminals identified. Scan tools use the power pin (16) ground pin (4) ... Sixteen-pin OBD II DLC with terminals identified. Scan tools use the power pin (16) ground pin (4) ...
The hazmat training pyramid. It is important to train from the ground up, starting with a firm grasp ... The hazmat training pyramid. It is important to train from the ground up, starting with a firm grasp ...
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: Mendel's pea plant, Pisum sativum experimental

For a complete list of videos, visit our video library