It’s red shift and blue shift because This only occurs when the frequency of the wave is made longer or shorter due to the movement of the source relative to the observer

4 0

2 years ago

An object that has linear kinetic energy must be __________.

stich3 [128]

Answer:

option B

Explanation:

An Object that has linear Kinetic energy so, it must be moving.

Expression of Kinetic energy

$K.E. = \dfrac{1}{2}mv^2$

From the expression above we can clearly see that Kinetic energy is directly proportional to velocity of the object.

If the body has kinetic energy so, it must be moving with certain velocity.

Hence, the correct answer is option B

6 0

2 years ago

_______is a process changing un magnetized <br> material to magnet

Tcecarenko [31]

Answer:

magnetization

Explanation:

by single stocking , double stocking and electricity

6 0

3 years ago