Answer:
Falsa
Explanation:
Because with out calculation we can't find density
I believe it is Gravitational force, hope this helps
Answer:
B kinetic energy to thermal energy
Explanation:
During the catch as the ball is being released the ball gains kinetic energy during the motion. As the ball moves towards Jill a form of heat is generated when Jill catches the ball. From the law of conservation of energy which states that energy can neither be created nor destroyed but can only be transformed from one form to another
Answer:
The current needed to transmit Power of 4 W is 28.47 A
Solution:
As per the question:
Length of the antenna,
Frequency,
Power transmitted,
Now,
For a monopole antenna:
where
= wavelength transmitted by the antenna
c = speed of light in vacuum
Now,
Since, the value of >> thus the monopole is a Hertian monopole.
The resistance is calculated as:
Now, the current I is given by: