A projectile is launched with an initial velocity of 80 m/s at 30 ...

[kfurse]

A projectile is launched with an initial velocity of 80 m/s at 30 above the horizontal. Neglecting air resistance, what is horizontal component of the projectile's acceleration?
 
  A) 40 m/s2 B) 0 m/s2 C) 69 m/s2 D) 9.8 m/s2 E) 80 m/s2

Question 2

If you were to travel at speeds close to the speed of light, you would notice that your
 
  A) pulse has slowed.
  B) mass has increased.
  C) body has shortened along the direction of motion.
  D) All of the above.
  E) None of the above.

[peilian]

Answer to Question 1

B

Answer to Question 2

E

[kfurse]

Thank you!

[peilian]

Always glad to help...