This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A water rocket, launched from the ground, rises vertically with acceleration of 20 m/s2 for 1.0 s ... (Read 37 times)

Sufayan.ah

  • Hero Member
  • *****
  • Posts: 512
on: Jul 28, 2018
A water rocket, launched from the ground, rises vertically with acceleration of 20 m/s2 for 1.0 s when it runs out of fuel.. Disregarding air resistance, how high will the rocket rise?
 a. 15 m
  c. 61 m
  b. 30 m
  d. 102 m

Question 2

Mt. Everest is more than 8000 m high. How fast would an object be moving if it could free fall to sea level after being released from an 8000 m elevation? (Ignore air resistance.)
 a. 396 m/s
  c. 1200 m/s
  b. 120 m/s
  d. 12,000 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Mollythedog

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

A


Sufayan.ah

  • Hero Member
  • *****
  • Posts: 512
Reply #2 on: Jul 28, 2018
TY


Mollythedog

  • Sr. Member
  • ****
  • Posts: 340
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

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.

Water's Covalent Bonds Are Polar Water's Covalent Bonds Are Polar
Rocket Physics Rocket Physics
A single overhead camshaft engine with a timing belt that also rotates the water pump. A single overhead camshaft engine with a timing belt that also rotates the water pump.
Using a gauge that measures vacuum in units of inches of water to test the vacuum at the dipstick ... Using a gauge that measures vacuum in units of inches of water to test the vacuum at the dipstick ...
A typical purified water system A typical purified water system
Regulation of Water Reabsorption by ADH Regulation of Water Reabsorption by ADH
Video: Prone Position

For a complete list of videos, visit our video library