An object moves in a direction parallel to its length with a velocity that approaches the velocity of light. The length of this object as measured by a stationary observer
A) approaches infinity.
B) approaches zero.
C) increases slightly.
D) does not change.
B
Physics & Space Science
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Jennifer hits a stationary 200. gram ball and it leaves the racket at 40. m/s. If time lapse photography shows that the ball was in contact with the racket for 40. ms:
(a) What average force was exerted on the racket? (b) What is the ratio of this force to the weight of the ball?
Physics & Space Science
Which pulls on the oceans of Earth with the greater force?
A) the Moon B) the Sun C) The Sun and the Moon both pull the same.
Physics & Space Science
All forms of energy are equivalent in terms of doing useful work
What will be an ideal response?
Physics & Space Science
The Sun's surface is hotter than the Solar corona.
Answer the following statement true (T) or false (F)
Physics & Space Science