Answer:
71 % of the earth's surface is covered in water
0 mark is your answer because you want to start at 0
The boat traveled from the dock north to the 200-meter marker in the bay in less than 5 minutes, giving the passengers several more hours to fish.
Explanation:
Velocity is a physical quantity that describes the rate of change of displacement with time.
Velocity = 
The quantity differs from speed in that it has both magnitude and direction.
From the options given above:
Displacement: The boat traveled in the north direction from the dock to a 200m mark.
Time taken: approximately less than 5 minutes was the duration of traveling.
This describes the boat's velocity accurately.
Learn more:
Velocity
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Answer:
The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet. Essentially Pluto meets all the criteria except one—it “has not cleared its neighboring region of other objects
Explanation:
Answer:
Kinetic energy : "It is the energy possessed by body by virtue of its motion" .
Explanation:
The mechanical energy is the energy that a body has due to its motion or position .
It is of two types :
- Potential energy
- Kinetic energy
Potential energy
"It is the energy that a body has due to its position or state" .
It is given by P.E=mgh
Kinetic energy
"It is the energy that a body has due to its motion" .
The formula is : K.E=1/2mv².
For example
- A ball is placed on table .
- At that time it has potential energy .
- Now,lets say that we push it and it drops down .
- On doing this ,the potential energy of ball gets converted into kinetic energy(because it comes in motion ) and as soon as it touches the ground it stops and its kinetic energy gets converted into Potential energy again .
