Author Question: A 50-kg ice skater moving at 6 m/s collides with a second stationary skater with mass 70 kg. The ... (Read 109 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
A 50-kg ice skater moving at 6 m/s collides with a second stationary skater with mass 70 kg. The skaters cling together after the collision and move without friction. Compute their speed after the collision.

Question 2

A light aircraft that weighs 1,600 N is accelerated at 8 m/s/s for 15 seconds. The work done on the aircraft is _________.
 Fill in the blank(s) with correct word



ririgirl15

  • Sr. Member
  • ****
  • Posts: 385
Answer to Question 1

2.5 m/s

Answer to Question 2

1,175,510 J



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

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?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

For a complete list of videos, visit our video library