It turns out that Mercury and Mars have the same gravity as one another – that is, you would weigh the same on the surface of Me
1 answer:
Answer:
Explanation:
The value of acceleration due to gravity of mars is same as that the value of acceleration due to gravity of Mercury.
The value of acceleration due to gravity of a planet depends on its mass and the radius.
The formula for the acceleration due to gravity is given by
Where, M be the mass of the planet, R be the radius of the planet.
As according to the question, the value of acceleration due to gravity for Mercury is same as that of Mars.
As teh radius of Mercury is small, and acceleration due to gravity is same, it is possible because the mass of Mercury is more than the mass of Mars.
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Answer: The velocity at different marked time points are given as
t1 = -
t2 = +
t3 = +
t4 = -
t5 = 0
Explanation:
The slope of the tangent of the curve indicates the instantaneous velocity. So if the slope of the tangent is positive, that Is, the tangent makes a positive angle (above the horizontal axis) with the horizontal
axis, then the velocity at this point is positive, and if the slope of the tangent is negative, that is the tangent makes a negative angle with the horizontal axis (below the horizontal axis), then the velocity at this point is negative.
When the tangent of the line is parallel to the horizontal axis, the velocity is 0.
From the position-time graph attached, the sign on the instantaneous velocity for each time marked on the graph is given below
t1 = -
t2 = +
t3 = +
t4 = -
t5 = 0
QED!
