« 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 121 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?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
(Left panel) The transition level (TL) for moving out of the parental home for 240 young men and ... (Left panel) The transition level (TL) for moving out of the parental home for 240 young men and ...
Body mass index table. Body mass index table.
Wedge-shaped oil film developed below a moving block. Wedge-shaped oil film developed below a moving block.
There has been a widespread loss of glacier mass globally There has been a widespread loss of glacier mass globally
Mass Wasting Triggers Mass Wasting Triggers
Video: Introduction to Photolithography - WC, BLF, PA, Hard and Soft baking

For a complete list of videos, visit our video library