If all else stays the same, which would cause an increase in the gravitational force on a space shuttle?
2 answers:
Answer: Decreasing the distance of the space shuttle from Earth .
Explanation:
According to expression of gravitational force:
G = gravitational constant
= masses of two objects
r = Distance between the two objects.
F = Gravitational force
From the above expression we can say that gravitational force is inversely proportional to squared of the distance between the two masses.
So, in order to increase the gravitational force on space shuttle distance between the space space shuttle must be decreased.
Hence, the correct answer 'decreasing the distance of the space shuttle from Earth '.
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Answer:
The deceleration is
Explanation:
From the question we are told that
The height above firefighter safety net is
The length by which the net is stretched is
From the law of energy conservation
Where is the kinetic energy of the person before jumping which equal to zero(because to kinetic energy at maximum height )
and is the potential energy of the before jumping which is mathematically represented at
and is the kinetic energy of the person just before landing on the safety net which is mathematically represented at
and is the potential energy of the person as he lands on the safety net which has a value of zero (because it is converted to kinetic energy )
So the above equation becomes
=>
substituting values
Applying the equation o motion
Now the final velocity is zero because the person comes to rest
So