Answer:
B. 1.55 × 10³ m/s
Explanation:
f = 3.02 x 10^6 Hz
wavelength = 5.13 x 10^-4 m
v = ?
v = f*lamda
v = 3.02 x 10^6 × 5.13 x 10^-4
v = 1.55 × 10³ m/s
Hight of plants - dependent variable.
amount of water and sunlight - control variables.
Music time - independent variable.
Answer:
Your answer would be b. W=Fd. Hope this helps!
Answer:
I don't exactly understand this but the child should hear a beep lower than 500 hz when he/she moves the car further away. If you don't find my answer appealing sorry but I don't do physics.
Explanation:
