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Suppose it is known that Earth attracts an object with a force that decreases at the rate of 4 Nkm when r 20000 km How fast does this force change when r 10000 km?
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∙ 15y ago
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∙ 15y ago
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When velocity may change?
Velocity can only change if the object experiences an acceleration. Acceleration can only change if either the Force on the object increases, or the Mass of the object decreases.
What happens to the thermal energy of an object as temperature decreases as it increases?
it decreases because when an object is moving as the temperature decreases the object decreases
When heat flows out of an object and its temperature decreases the change in temperature is?
heat capacity
Will acceleration due to gravity change the weight of an object?
Yes. As acceleration due to gravity increases so does the object's weight. The reverse is true when gravity decreases. Mass, however, does NOT change with gravity.
When the volume of an object decreases when the temperature decreases?
thermal contraction
When the mass of an object increases how does the object's acceleration change?
As mass increases acceleration decreases.
When velocity may change?
Velocity can only change if the object experiences an acceleration. Acceleration can only change if either the Force on the object increases, or the Mass of the object decreases.
What happens to the thermal energy of an object as temperature decreases as it increases?
it decreases because when an object is moving as the temperature decreases the object decreases
When heat flows out of an object and its temperature decreases the change in temperature is?
heat capacity
What happens to gravitational force when there is change in mass?
It decreases. For the greater the mass of the object, the more gravity is has.
If all forces are equal and opposite how does anything accelerate?
Because NOT all forces are equal and opposite. By Newton's Third Law, if object A attracts object B, then object B also attracts object A - with an equal but opposite force. But those forces act on DIFFERENT objects! The forces on object A, and on object B, may be unbalanced!Because NOT all forces are equal and opposite. By Newton's Third Law, if object A attracts object B, then object B also attracts object A - with an equal but opposite force. But those forces act on DIFFERENT objects! The forces on object A, and on object B, may be unbalanced!Because NOT all forces are equal and opposite. By Newton's Third Law, if object A attracts object B, then object B also attracts object A - with an equal but opposite force. But those forces act on DIFFERENT objects! The forces on object A, and on object B, may be unbalanced!Because NOT all forces are equal and opposite. By Newton's Third Law, if object A attracts object B, then object B also attracts object A - with an equal but opposite force. But those forces act on DIFFERENT objects! The forces on object A, and on object B, may be unbalanced!
If an objects mass on earth is 4.2 what is its mass on the moon?
It's 4.2 . An object's mass doesn't change. The thing that does change is the gravitational forcethat attracts the object to another mass. The strength of that force depends on the mass of bothobjects. The force on the first object is what we call the object's "weight".
Will acceleration due to gravity change the weight of an object?
Yes. As acceleration due to gravity increases so does the object's weight. The reverse is true when gravity decreases. Mass, however, does NOT change with gravity.
As a moving object's velocity decreases its momentum decreases.?
True
As a moving object's velocity decreases its momentum decreases?
True
When the volume of an object decreases when the temperature decreases?
thermal contraction
As a moving object's velocity decreases does its momentum decreases?
true
