<span>Electromagnetic and mechanical waves differ in that electromagnetic waves are always longitudinal and do not require a known medium, while mechanical waves are either longitudinal or compression waves and require a medium. All known electromagnetic waves are also known as forms of light.</span>
Answer:
<h2>36 km</h2>
Explanation:
The distance covered by an object given it's velocity and time taken can be found by using the formula
distance = velocity × time
From the question we have
distance = 18 × 2
We have the final answer as
<h3>36 km</h3>
Hope this helps you
Answer:
im pretty sure it is 3.0 K
Explanation:
W=MG
w is weight
m is mass
g is gravity
W=(100 kg)(9.8 m/s)
W= 980 N
hope this helps
Using the information given, gas-A is still completely unknown.
