Answer:
wash your hands and social distance
Explanation:
Answer:
Angle of ray makes with the vertical is 62.1 degree
Explanation:
As per the ray diagram we know that the angle of incidence on oil brine interface will be given as
now by Snell'a law at that interface we have
now we will have
now this is the angle of incidence for oil air interface
so now again by Snell's law we will have
Answer: Use less water
only turn on lights when needed
electrical cars
less gas usage
Explanation:
Answer:
A) Jack used energy to do work.
Explanation:
When Jack pushed and pushed the refrigerator then the force on the refrigerator by Jack will displace the refrigerator and hence we can say that work is done by the Jack
Work done is given as
since force is applied by Jack and also the refrigerator is also displaced by this force.
So we can say that work done by Jack will help to move the refrigerator on the floor.
They studied charges using AMBER.