I believe the correct answer from the choices listed above is option C. When a baseball is thrown straight upward, <span>its acceleration at its greatest height would be 0 m/s. This is because at max height velocity of the ball is zero which means that acceleration as well is zero. Hope this answers the question. Have a nice day.</span>
Answer:
So heat required to raise the temperature of water is given as Q = 33472 J
Explanation:
As we know that the temperature of water is increased by 2 Degree C
So here we have heat gain by the water is given by the equation
Now we know that
m = 1000 g
s = 4.184 J/g C
Now plug in all data in above equation
Answer:
A person writing on the pages
Answer:
1)
2)
Explanation:
1)
The intensity equation is given by:
Where:
- P is the power of the radio wave
- r is the distance from the source
2)
Now, the intensity and the electric field are related as:
Here:
- c is the speed of light
- ε₀ is the electric permittivity
- E is the electric field
We need to solve it for E.
I hope it helps you!