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Physics Midterm Part 5

AB
Which of the following energy forms is associated with an object due to its position relative to Earth?gravitational potential energy
The equation for determining gravitational potential energy is PEg=mgh. WHich factor(s) in this equation is (are) Not a property of an object?both g and h
Which of the following enrgy forms is associated with an object's interaction with the environment?potential energy
As an object is lowered into a deep hole in the ground, which of the following assumptions must be made in regard to the object's potential energy?The potential energy decreases.
An ice skater initially skating at a velocity of 3 m/s speeds up to a velocity of 5 m/s. The momentum of the skaterincreases
If a force is exerted on an object, which statement is true?A small force applied over a long time interval can produce a large change in the object's momentum.
A force is applied to stop a moving shopping cart. Increasing the time interval over which the force is appliedrequires a smaller force
Which of the following statements properly relates the variables in the equation FΔ t= pΔ?A large constant force acting over a long time interval causes a large change in momentum.


AL

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