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

Author Question: A 120-g rubber ball is thrown with a speed of 10 m/s at an oncoming 900-kg car which is approaching ... (Read 108 times)

haleyc112

  • Hero Member
  • *****
  • Posts: 600
on: Jul 29, 2018
A 120-g rubber ball is thrown with a speed of 10 m/s at an oncoming 900-kg car which is approaching at 30 m/s, and undergoes a one-dimensional elastic collision with the car. What is the speed of the ball after the collision?
 
  A) 10 m/s
  B) 30 m/s
  C) 40 m/s
  D) 50 m/s
  E) 70 m/s

Question 2

The rest mass of a photon is zero kg.
 
  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

ebe

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

TRUE


haleyc112

  • Member
  • Posts: 600
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Lioness in a burst of speed while hunting in the Serengeti Lioness in a burst of speed while hunting in the Serengeti
Balloon angioplasty: (A) deflated balloon catheter is approaching an atherosclerotic plaque; (B) pla Balloon angioplasty: (A) deflated balloon catheter is approaching an atherosclerotic plaque; (B) pla
The initial timing is where the spark plug fires at idle speed. The computer then advances the ... The initial timing is where the spark plug fires at idle speed. The computer then advances the ...
A batter hits a home run in which the ball travels 110 m horizontally with no appreciable ... A batter hits a home run in which the ball travels 110 m horizontally with no appreciable ...
Escape Speed from Earth Escape Speed from Earth
Blood vessels associated with the nephron. The glomerulusis a ball of capillaries that have unusuall Blood vessels associated with the nephron. The glomerulusis a ball of capillaries that have unusuall
Video: Cardiac Cycle (Part 4 of 4)

For a complete list of videos, visit our video library