Oil tends to float on water because the density of oil is _____ the density of water.
1 answer:
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Answer:
Explanation:
Given
car A had a head start of
and it starts at x=0 and t=0
Car B has to travel a distance of
where is the distance travel by car A in time t
distance travel by car A is
For car B with speed
If the earth's mass were half its actual value but its radius stayed the same, the escape velocity of the earth would be .
The ratio of the object's travel distance over a specific period of time is known as its velocity. As a vector quantity, the velocity requires both the magnitude and the direction. the slowest possible speed at which a body can break out of the gravitational pull of a certain planet or another object.
The formula to calculate the escape velocity of earth is given below:-
Given that earth's mass was half its actual value but its radius stayed the same. The escape velocity will be calculated as below:-
.
Therefore, If the earth's mass were half its actual value but its radius stayed the same, the escape velocity of the earth would be .
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