Answer:
D.-4.798m/s
Explanation:
Greetings !
Given values

Solve for V of the given expression
Firstly, recall the velocity-time equation

plug in known values to the equation

solve for final velocity

Hope it helps!
Wavelength = c/f.
Wavelength =0.5km
Explanation:
By using v=( f )x( lambda )
v= 45 s^-1 x 3 m
Therefore v = 135 ms^-1
Answer:
I think the answer is
a "cookbook" recipe for performing scientific investigations
Explanation: