Answer:
Electrostatic Discharge during the equalization of the separated positively and negatively charged electrostatic charges in the storm clouds.
Explanation:
In nature, lightning occurs during the discharge of the large charges contained in the separated positively and negatively particles in the atmosphere in the process equalizing (neutralizing) of the charges, leading to the release of instantaneous energy in the form of heat, light and sound
During a storm, as the clouds mixes by the wind with different densities, they rub each other forming electrostatic charges. The lighter positively charged particles rise to the top clouds while the heavier negatively charged particles move to the bottom. The charges continue to add up to a point where their magnitudes is large enough such that a big spark or lightening occurs between the positive and negative charges during the process of re-equalization of the charges to revert to neutrality.
Answer:
The direction of induced emf is revered and hence the direction of the induced current.
Explanation:
If the polarity of the magnet is reversed, the direction if the field lines through the solenoid is also reversed, which according to Faraday's law means

in other words, the direction of the magnetic flux is revered, and therefore, the direction of the induced emf is also revered.
Furthermore, according to Ohm's law

which tells us that if the induced emf changes sign <em>(is reversed)</em>

the direction of the induced current is also reversed.
Answer
given,
range of the projectile = 4.3 m
time of flight = T = 0.829 s


v = 5.19 m/s
vertical component of velocity of projectile
v_y = gt'



a) Launch angle


θ = 38°
b) initial speed of projectile


v = 6.59 m/s
c) maximum height reached by the projectile



Two or more elements that are chemically combined