Answer:
form
I'm pretty sure...
let me know if I'm right, if I am give brainliest
when the two waves interfere with eachother to make a dark spot the periodic difference of the two waves is π . the wave length for 2π is 600nm
. ie. for π difference it is 300nm
Answer:
constant at the speed of light
Answer:
20.7 s
Explanation:
The equation to calculate the velocity for a uniform acceleration a, time t and initial velocity v₀:
v = a*t + v₀
Solve for t:
t = (v - v₀)/a
The gravitational force on the car is
(9.8 m/s^2) x (the car's mass in kg).
The unit is newtons.
