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

Author Question: A ball drops some distance and gains 30 J of kinetic energy. Do not ignore air resistance. How much ... (Read 64 times)

panfilo

  • Hero Member
  • *****
  • Posts: 572
on: Jul 29, 2018
A ball drops some distance and gains 30 J of kinetic energy. Do not ignore air resistance. How much gravitational potential energy did the ball lose?
 
  A) more than 30 J
  B) exactly 30 J
  C) less than 30 J
  D) Cannot be determined from the information given.

Question 2

An object is in free fall as soon as it is released, whether it is dropped from rest, thrown downward, or thrown upward.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

iceage

  • Guest
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

TRUE


panfilo

  • Member
  • Posts: 572
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

marict

  • Member
  • Posts: 304
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough
To measure fuel-injector resistance, a technician constructed a short wiring harness with a double ... To measure fuel-injector resistance, a technician constructed a short wiring harness with a double ...
The energy cycle of life The energy cycle of life
Pyramids of energy, biomass, and numbers Pyramids of energy, biomass, and numbers
Renewable Energy Sources Globally Renewable Energy Sources Globally
Energy Transfer Energy Transfer
Video: Congenital Heart Defects Animation

For a complete list of videos, visit our video library