« previous next »

Author Question: A 50-kg ice skater moving at 6 m/s collides with a second stationary skater with mass 70 kg. The ... (Read 118 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
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

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
Reply #2 on: Jul 29, 2018
Thanks


ririgirl15

  • Sr. Member
  • ****
  • Posts: 385
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

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

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

An octopus moving between tide pools during low tide An octopus moving between tide pools during low tide
The greatest bone mass is found around age 30 for both men and women, with the later decline being f The greatest bone mass is found around age 30 for both men and women, with the later decline being f
Dred Scott and his wife and children are featured on the cover of Frank Leslie’s Illustrated Newspap Dred Scott and his wife and children are featured on the cover of Frank Leslie’s Illustrated Newspap
Pressure is a result of the atmosphere’s mass. Pressure is a result of the atmosphere’s mass.
Apply direct pressure under the zygomatic arch. Moving laterally, gently press up and under the ... Apply direct pressure under the zygomatic arch. Moving laterally, gently press up and under the ...
Determine the mass percent of Fe3+ in a 0.546g sample of iron ore, if 22.40 mL of a 0.1000 M ... Determine the mass percent of Fe3+ in a 0.546g sample of iron ore, if 22.40 mL of a 0.1000 M ...
Video: Wound Care

For a complete list of videos, visit our video library