Can u explain more like ,u have a pic or some?
Answer:
900.48925 Hz
979.9785 Hz
Explanation:
= Relative velocity of ambulance =
= Velocity of wall = 0
v = Velocity of sound in air = 343 m/s
From doppler effect we have

The frequency of sound is 900.48925 Hz
When the wall acts like a source

The frequency of sound is 979.9785 Hz
An eclipse i believe is the answer?
A bike is not a simple machine. It is a compound machine. A bike is made of simple machines such as gears, a pulley, le
Answer:
This question heavily relies on the weight of the table and the weight of the person sitting on it, if a 90 pound person sits on the side of a 40 pound table, it will topple over.
Explanation: Tables are generally have a 50/50 weight distribution ratio so that they are even on the ground and can stay upright, but if a table is too light and the person or object sitting on it is heavier than the side they/it is placed on, it will fall.