Author Question: A 50-kg ice skater moving at 6 m/s collides with a second stationary skater with mass 70 kg. The ... (Read 101 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?

Your heart beats over 36 million times a year.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

For a complete list of videos, visit our video library