vf ^2 = kx^2/m = 56(0.75)^2 / 2.5 = 12.6
Therefore, v= 3.5 m/s.
11.3 Electromagnetic spectrum (ESADK)
EM radiation is classified into types according to the frequency of the wave: these types include, in order of increasing frequency, radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays and gamma rays.
30x30=900
The answer is 900 meters after 30 seconds
Answer:
a is a good answer
Explanation:
because most items whether clothes or things we eat with, are made with something natural and recycled
