I would say the correct answer would be light travels faster in medium 3 then medium 2.
Answer:
0.17547 m
Explanation:
m = Mass of block = 
v = Velocity of block = 10.8 m/s
k = Spring constant = 125 N/m
A = Amplitude
The kinetic energy of the system is conserved

The amplitude of the resulting simple harmonic motion is 0.17547 m
It would be helpful if you gave me a bit more information on what the cars speed is
1. is D. Scientific method cannot be replaced.
2. is B.
3. is B as well.
Answer:
Net force on the wagon is 200 N
Explanation:
As we know by Newton's II law that net force on the system of mass is given as product of mass and acceleration
Here we know that
mass = 100 kg
a = 2 m/s/s
now we have


