Because they believed that heavenly bodies’ circular motions where caused by their being attached to unseen resolving solid spheres
Well.. if ur going down a ramp, friction beat gravity, right....??? I guess, I I have an idea hahha
Answer:
5.00×10-19 J
Explanation:
E = hv
but v = c ÷ wavelength
E = (6.626×10-34) × ((3×10^8)÷(398×10-9))
= 4.9945×10-19
≈5.00×10-19
Hope this helps