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kotykmax [81]
4 years ago
13

What is electromagnetic spectrum made up of

Physics
1 answer:
Alla [95]4 years ago
4 0
The electromagnetic spectrum is made up of waves of different lengths, forming bands.
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An object is dropped from a height of 50 meters. Ignoring air resistance, how long doe take to hit the ground?
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here given that object is dropped from height h = 50 m

So here we can say

initial speed is ZERO

acceleration is due to gravity

now in order to find time to reach the ground we can use kinematics

y = v_i*t + \frac{1}{2}at^2

now plug in all values in it

50 = 0 + \frac{1}{2} \times 9.8(t^2)

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