The 'plum pudding' model of the atom was proposed by JJ Thomson, who had also discovered the electron. It was put forth before the discovery of the nucleus. According to this model, the atom is a sphere of positive charge, and negatively charged electrons are embedded in it to balance the total positive charge
For the first part of the trip:
we have velocity = 960 km/hr and distance = 2250 km
velocity = distance / time
time1 = distance / velocity = 2250 / 960 = 2.34375 hours
For the second part of the trip:
we have velocity = 805 km/hr and distance = 1320 km
velocity = distance / time
time2 = distance / velocity = 1320 / 805 = 1.63975 hours
For the total trip:
we have:
total distance covered = 2250 + 1320 = 3570 km
total time taken = 2.34375 + 1.63975 = 3.9835 hours
average velocity = total distance / total time
average velocity = 3570 / 3.9835 = 896.1968 km/hr
Answer:
False
Explanation:
Boiling water is not a chemical change it is a Physical change
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Answer:
d. all four jovian planets.
Explanation:
The Jovian planets are as follows -
URANUS , SATURN , JUPITER, and NEPTUNE .
All these four jovian planets are having the rings , and the rings are made up of infinite number of small pieces of the ice and the rock .
Hence ,
These planets are comparatively small and dense cores surrounded by massive layers of gas .
Well i think <span>Hydrolysis - using water to split a molecule that has formed via a condensation</span>