Answer this plsss A mobile phone operates at 900 MHz. What wavelength does it use?
1 answer:
You might be interested in
Answer:
0 m/s
Explanation:
Relative speed is defined as the speed of an object with respect with another object.
In other words, it is the speed of an object as viewed from the frame of reference of another object.
When two objects are moving in the same direction, their relative velocity is given as:
where velocity of first object
velocity of second object
In the case of the two cars,
22 m/s
Therefore:
Their relative velocity is 0 m/s.