Answer:
shadow is formed when an opaque object comes on path of light shadows are formed because light travels in a straight line and it can't pass through an opaque object
I think it is d I hope this help you if not let me know if it is not right
Answer:
because it is from a mathematical combination of SI base units
Explanation:
Answer:
<h2>50 N</h2>
Explanation:
The force required can be found by using the formula
w is the workdone
d is the distance
From the question we have
We have the final answer as
<h3>50 N</h3>
Hope this helps you
Answer:
and person at rest hears sound at a different frequency than a person moving.
Explanation:
