For the same energy, the most penetrating type of radiations in ...

[iveyjurea]

For the same energy, the most penetrating type of radiations in human tissue are ________.
 a. alpha particles
  b. beta particles
  c. gamma rays

Question 2

An airplane flies in a horizontal circle of radius 500 m at a speed of 150 m/s. If the plane were to fly in the same 1 000 m circle at a speed of 300 m/s, by what factor would its centripetal acceleration change?
 a. 0.25
  b. 0.50
  c. 1.00
  d. 2.00
  e. 4.00

[underwood14]

Answer to Question 1

c

Answer to Question 2

D

[iveyjurea]

Gracias!

[kjohnson]

Excellent