When the two powerboats are about to cross paths, the right boat on the starboard must maintain a constant speed of the course and act patiently.
Also, the captain of the boat must make sure that he is alert and attentive while driving so that no mishappening takes place.
Answer:
Because the Sun shines by nuclear fusion, which converts mass into energy as hydrogen turns into helium. ... A typical star that is the source of light and heat for the planets in the solar system.
Explanation:
As the wave travels through different media, its speed and wavelength change, and its frequency remains constant.
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Answer:
<h3>
80000 loop needed to produce given induced emf.</h3>
Explanation:
Given :
Magnetic field
Area of coil
Average induced emf
The magnetic flux Φ =
Where No. of loop
From the faraday's law of electromagnetic induction,
Induced emf =
Where minus sign represent lenz law.
Here given in question , so
Induced emf =
Hence, 80000 loop needed to produce given induced emf.
It takes 7.0s for a piece of wood to be falling from a tall building in the velocity of 68.6 m/s
<u>Explanation:</u>
v = u + at
68.6 ms^-1 = 0 ms^-1 + (9.8 ms^-2 x t)
t = 68.6 ms^-1 / 9.8 ms^-2
t = 7.0s
It takes 7.0s for a piece of wood to be falling from a tall building in the velocity of 68.6 m/s