"B" When an object moves away from us, the light is shifted to the red end of the spectrum, as its wavelengths get longer.
Answer:
a. Yes, because the acceleration of the crate is 2.0 m/s².
Explanation:
Given
--- f
--- m
--- t
--- v
Required
Does the system support 
Yes, it does and this is shown below
The crate is initially at rest; so:

Using the first equation of motion

Substitute values for v, u and t


Make a the subject


Using 
Substitute values for F and m

Divide both sides by 3



In both cases:

<em>Hence, option (a) is correct.</em>
Answer:
Because due to hole water accumulated in the ship in the bottom must point causes shifting of gravitational point upward so their chance of sinking of <u>ship.</u>
Answer: iron, nickel, and cobalt.
Explanation: