Author Question: The same object in different inertial reference systems: a. will always have the same kinetic ... (Read 34 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
The same object in different inertial reference systems:
 a. will always have the same kinetic energy, regardless of the reference system.
  b. can have different amounts of kinetic energy viewed from each inertial reference system.
  c. cannot be studied from two different reference systems.
  d. can have different amounts of gravitational potential energy in different reference systems, but will always have the same amount of kinetic energy.
  e. sometimes conserves energy and sometimes does not, depending on inertial reference system.

Question 2

If a boat is moving north at 15 kilometers per hour and a dog on that boat is running south at 8 kilometers per hour, what is the dog's velocity measured from the shore?
 a. 7 kilometers north per hour.
  b. 23 kilometers north per hour.
  c. 15 kilometers north per hour.
  d. 150 mph east-south-east.
  e. 7 kilometers south per hour.



EAN94

  • Sr. Member
  • ****
  • Posts: 307
Answer to Question 1

b

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

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

For a complete list of videos, visit our video library