Answer:
B: They are the results of many experiments over a long period of time.
Explanation:
The result is the sound will be louder. This is due to the high amount of energy in the sounds.
Hi, can you post what you need help with??
Answer:
the acceleration is 3 k/h/s
Explanation:
The formula for acceleration is Δv/t, so change in velocity divided by time.
The original velocity is 15 kph, and the final velocity is 30 kph. Therefore, the change in velocity is 15 kph. 15/5=3 k/h/s
