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rggg
Questions and answers by
rggg
Questions (11)
Why do two electrons repel when they interact?(1 point)
Responses A- because they both are subatomic particles B- because they
2 answers
199 views
Which of the following has kinetic energy?(1 point)
Responses A- a stretched spring B- a spring traveling down a flight of stairs
1 answer
100 views
When is the kinetic energy of an electron transformed into potential energy?(1 point)
Responses A- when it interacts with other
1 answer
89 views
Atoms bond to form molecules. Which structures or regions of the atoms interact in these bonds?(1 point)
Responses A- electric
1 answer
145 views
In particle accelerators such as the one shown, fields are employed to separate different subatomic particles. What type or
1 answer
370 views
Which falling object has the least kinetic energy when it collides on the ground?
a 120 Kg of sand falling 12 m/s b 120 Kg of
1 answer
277 views
What is true about the energy in the system below?
a the potential energy is lowest at point B because the distance between the
1 answer
132 views
Which best describes the law of conservation of energy?
a Energy exists in these forms: mechanical, chemical, thermal,
3 answers
186 views
Considering the law of conservation of energy, we believe that a super-duper bouncy ball should keep bouncing - forever. Yet, we
1 answer
187 views
A machine uses an input force of 400 N to produce an output force of 800 N. What is the mechanical advantage of this machine?
a
1 answer
218 views
At what point in a waterfall, do the drops of water contain the most gravitational potential energy?
a at the top before they
1 answer
130 views
