Which type of rays have a wavelength shorter than that of visible light?
1 answer:
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R = 
r - displacement or height
t - time taken
g = 10 m/s-2
t = square root from 2r/g =
= 1.5 seconds
r - displacement or height
t - time taken
g = 10 m/s-2
t = square root from 2r/g =
Answer:
about 42.35 m/s
Explanation:
Use the equation for accelerated motion (g), and with zero initial velocity that doesn't include time:
which for our case would reduce to:
then the velocity just before hitting would be about 42.35 m/s