Author Question: The meaning of the phrase space is relative is that A) all observers measure the same speed for a ... (Read 48 times)

Cooldude101

  • Hero Member
  • *****
  • Posts: 557
The meaning of the phrase space is relative is that
 
  A) all observers measure the same speed for a lightbeam.
  B) two observers, both in the same reference frame, observe different lengths for different objects.
  C) two observers, in different reference frames, observe different lengths for different objects.
  D) two observers, in different reference frames, observe different lengths for the same object.
  E) two observers, both in the same reference frame, observe different lengths for the same object.

Question 2

A projectile is thrown upward at 24 with the vertical and returns to the horizontal ground 12.5 s later. Assume no air effects.
 
  (a) How fast was it thrown? (b) How far from its original position did it land? (c) How high above its original position did it go?



diesoon

  • Sr. Member
  • ****
  • Posts: 353
Answer to Question 1

E

Answer to Question 2

(a) 67 m/s (b) 340 m (c) 190 m



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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?

The average adult has about 21 square feet of skin.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

For a complete list of videos, visit our video library