Answer:
(a). The power delivered to the element is 187.68 mW
(b). The energy delivered to the element is 57.52 mJ.
Explanation:
Given that,
Charge 
Voltage 
Time t = 0.3 sec
We need to calculate the current
Using formula of current

Put the value of charge



(a).We need to calculate the power delivered to the element
Using formula of power

Put the value into the formula



Put the value of t



(b). We need to calculate the energy delivered to the element between 0 and 0.6 s
Using formula of energy

Put the value into the formula





Hence, (a). The power delivered to the element is 187.68 mW
(b). The energy delivered to the element is 57.52 mJ.
Answer:
Absence of light causes shadow
Explanation:
The shadow is of the black colour because it is formed by the white light from the sun. Black is the opposite colour of white. In case you use different colour of light to cast a shadow you will get a shadow of opposite colour of light used to cast shadow.
Answer:
one free advice don't believe all this free advices give din brainly ok
Answer:
i can see it and it looks really cool
Explanation:
Answer:
F=248.5W N
Explanation:
Newton's 2nd Law tells us that F=ma. We will use their averages always. The average acceleration the tennis ball experimented is, by definition:

Since we start counting at 0s and the ball departs from rest, this is just 
So we can write:

Where in the last step we have just multiplied and divided by g, the acceleration of gravity. This allows us to introduce the weight of the ball W since W=gm, so we have:

Substituting our values:

Where the average force exerted has been written it terms of the tennis ball's weight W.