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

Author Question: Neglecting air resistance, Sammy Smarts on a high ladder releases a ball that strikes the ground ... (Read 72 times)

Jkov05

  • Hero Member
  • *****
  • Posts: 556
on: Jul 29, 2018
Neglecting air resistance, Sammy Smarts on a high ladder releases a ball that strikes the ground with 100 J of kinetic energy. If he were to instead throw the ball straight upward, it will soon reach the ground with a kinetic energy of
 
  A) less than 100 J.
  B) 100 J.
  C) more than 100 J.

Question 2

If a Ping-Pong ball and a golf ball both move in the same direction with the same amount of kinetic energy, the speed of the Ping-Pong ball must be
 
  A) less than the golf ball.
  B) more than the golf ball.
  C) both the same
  D) need more information


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ririgirl15

  • Sr. Member
  • ****
  • Posts: 385
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B


Jkov05

  • Member
  • Posts: 556
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

coreycathey

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

(a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr (a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr
Because of the high physical activity and the amount of energy expended by the brains of 2- to ... Because of the high physical activity and the amount of energy expended by the brains of 2- to ...
When a Tornado Strikes: Social Organization Following a Natural Disaster When a Tornado Strikes: Social Organization Following a Natural Disaster
Acquired resistance. Acquired resistance.
Touch the test light to the negative (–) terminal of the battery or a good engine ground to check ... Touch the test light to the negative (–) terminal of the battery or a good engine ground to check ...
Two modes of gene amplification leading to drug resistance Two modes of gene amplification leading to drug resistance
Video: Control of ventilation rate by other brain centers (posts, hypothalamus & cerebral cortex)

For a complete list of videos, visit our video library