A 1.20-kg ball is hanging from the end of a rope. The rope hangs ...

[arivle123]

A 1.20-kg ball is hanging from the end of a rope. The rope hangs at an angle 25.0 from the vertical when a 15.0 m/s horizontal wind is blowing. If the wind's force on the rope is negligible, what drag force does the wind exert on the ball?
 
  A) 32.3 N
  B) 24.1 N
  C) 3.68 N
  D) 5.48 N
  E) 11.8 N

Question 2

In beta minus decay, the number of protons in the nucleus is
 
  A) decreased by 1.
  B) decreased by 2.
  C) increased by 1.
  D) increased by 2.
  E) remains unchanged.

[ally]

Answer to Question 1

D

Answer to Question 2

C

[arivle123]

TYSM

[chereeb]

Gracias!