In the brain, a typical frequency for an alpha wave is ______ Hz ...

[faduma]

In the brain, a typical frequency for an alpha wave is ______ Hz and for a delta wave is ______ Hz.
 a. 2, 4
  c. 12, 4
  b. 3, 12
  d. 10, 14

Question 2

A 0.40-m radius automobile tire accelerates from rest at a constant 2.0 rad/s2 over a 5.0 s interval. What is the tangential component of acceleration for a point on the outer edge of the tire during the 5.0-s interval?
 a. 33 m/s2
  c. 0.60 m/s2
  b. 0.80 m/s2
  d. 0.30 m/s2

[kxciann]

Answer to Question 1

C

Answer to Question 2

B

[faduma]

Thank you!

[kxciann]

Always glad to help...