Answer: A. X-rays
Explanation:
X-rays have the shortest wavelength and the highest energy of all of the options given.
square root (29 squared - 20 squared)
Pythagoras' theorem
Answer:
b
x=0.154kg
(x*L)+(0.5kg*4200*50)+(x*4200*(-50)=0
(x*333 000J/kg*c)+(0.5kg*4200J/kg*C*(-40C))+(x*4200J/kg*C*50C)=0
9.8