Answer:
v1=18.46m/s
v2=29.8cm/s
Explanation:
We know that

the equation of the motion is

we can calculate w by using

Hence, we have that

the speed will be

hope this helps!

Given terms :
- time (t) = 90 minutes = 1.5 hour
As we know, Distance covered is equal to :
Explanation:
<em>Light</em><em> </em><em>is</em><em> </em><em>a</em><em> </em><em>form</em><em> </em><em>of</em><em> </em><em>energy</em><em> </em><em>that</em><em> </em><em>travels</em><em> </em><em>as</em><em> </em><em>waves</em><em>.</em>
OPTION C is the correct answer.