« previous next »

Author Question: Which object has the most kinetic energy? A) a 4-ton truck moving 50 km/hr B) a 3-ton truck ... (Read 182 times)

nevelica

  • Hero Member
  • *****
  • Posts: 563
on: Jul 27, 2018
Which object has the most kinetic energy?
 
  A) a 4-ton truck moving 50 km/hr
  B) a 3-ton truck moving 70 km/hr
  C) a 2-ton truck moving 90 km/hr
  D) a 1-ton truck moving 110 km/hr
  E) A, B, C, and D all have the same kinetic energy.

Question 2

Einstein's theory of relativity tells us that travelers who make a high-speed trip to a distant star and back will
 
  A) age more than people who stay behind on Earth.
  B) have more fun than people who stay behind on Earth.
  C) age less than people who stay behind on Earth.
  D) never be able to make the trip within their lifetimes.


Liddy

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

The energy input and output of glycolysis. The energy input and output of glycolysis.
Visual Object Agnosia Without Prosopagnosia Visual Object Agnosia Without Prosopagnosia
The major events associated with the three phases of energy metabolism: the cephalic, absorptive, ... The major events associated with the three phases of energy metabolism: the cephalic, absorptive, ...
Gibs free energy for hydrolysis of some phosphate compounds Gibs free energy for hydrolysis of some phosphate compounds
Find the final velocity of the object Find the final velocity of the object
MOMENTUM AND IMP meteor(158 kg) is moving with a velocity of 127 m/s , and breaks into two ... MOMENTUM AND IMP meteor(158 kg) is moving with a velocity of 127 m/s , and breaks into two ...
Video: Ventilation - phases and driving forces

For a complete list of videos, visit our video library