Author Question: For the same energy, the most penetrating type of radiations in human tissue are ________. a. alpha ... (Read 45 times)

iveyjurea · **on:** Jul 28, 2018

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