« previous next »

Author Question: Two athletes jump straight up. John has twice the initial speed of Harry. Compared to Harry, John ... (Read 120 times)

Deast7027

  • Hero Member
  • *****
  • Posts: 538
on: Jul 29, 2018
Two athletes jump straight up. John has twice the initial speed of Harry. Compared to Harry, John jumps
 
  A) 0.50 times as long.
  B) 1.41 times as long.
  C) twice as long.
  D) three times as long.
  E) four times as long.

Question 2

State the Conservation of Linear Momentum.
 
  What will be an ideal response?


AmberC1996

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

If the net force acting on an object is zero, its momentum is conserved.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Deast7027

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


AmberC1996

  • Sr. Member
  • ****
  • Posts: 317
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

A cast of LB1 (left) was compared to several microcephalic skulls, amongst which is that of the micr A cast of LB1 (left) was compared to several microcephalic skulls, amongst which is that of the micr
Schematic drawing of initial/terminal (I/T) lymph vessel. Schematic drawing of initial/terminal (I/T) lymph vessel.
John Muir (right) with President Roosevelt at Yosemite National Park John Muir (right) with President Roosevelt at Yosemite National Park
Archetypes in Harry Potter Archetypes in Harry Potter
Astronaut Rachel leaves Earth in a spaceship at a speed of 0.960c relative to an observer on ... Astronaut Rachel leaves Earth in a spaceship at a speed of 0.960c relative to an observer on ...
A spaceship leaves Earth at a steady forward speed of 70% the speed of light. How fast relative ... A spaceship leaves Earth at a steady forward speed of 70% the speed of light. How fast relative ...
Video: What is an ecosystem?

For a complete list of videos, visit our video library