Answer
given,
mass of block, m = 2 Kg
spring constant, k = 315 N/m
speed of the block, v = 12 m/s
a) Amplitude of the motion


A = 0.956 m
b) maximum acceleration of the block



c) maximum Force



Radio waves and visible light, as we perceive it, are both part of the EM spectrum. The only difference between them in terms of our perception is that we don't have receptors to 'see' radio waves. That's where radio receivers come into the picture*, to convert radio waves into sound impulses that we can hear.
Answer with Explanation:
We are given that


a.x=-0.2 m

Where 
Net electric field=E+E'=4500+1237.5=5737.5 N/C
b.x=0.20 m
Net electric field=E-E'=4500-1237.5=3262.5 N/C
c.y=0.20 m
E=1237.5 N/C
Net electric field=
Answer:you can just look this up yknow?
Explanation:
<span>I believe this question has additional detail which stated
that during the 1st half, his speed was 2.01 m/s. From this we can
calculate his speed during the second half, v2, using the formula:</span>
v_ave = (v1 + v2) / 2
2.05 m/s = (2.01 m/s + v2) / 2
<span>v2 = 2.09 m/s</span>