According to current theory, the proton is made of smaller ...

[future617RT]

According to current theory, the proton is made of smaller particles known as
 
  A) electrons. B) neutrons. C) mesons. D) quarks. E) neutrinos.

Question 2

A block slides down a frictionless inclined ramp.
 
  If the ramp angle is 17.0 above the horizontal and the length of the surface of the ramp is find the speed of the block as it reaches the bottom of the ramp, assuming it started sliding from rest at the top. Also assume no air resistance.
  A) 10.7 m/s
  B) 114 m/s
  C) 7.57 m/s
  D) 19.6 m/s

[nguyenhoanhat]

Answer to Question 1

D

Answer to Question 2

A

[future617RT]

Wow, this really help

[peter]

Thanks for the timely response, appreciate it