Physics, 22.03.2021 22:40 alejandra1201
The energy that an object has because of its ability to move or because of its current movement is known as mechanical energy.
Mechanical energy can be potential or kinetic energy.
Which of the following is the best example of an object with kinetic mechanical energy?
OA. a moving car
ΠΠ.
a parked car
OC.
a car with no wheels
OD. a car that does not work
Answers: 3
Physics, 22.06.2019 10:00
**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z
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Physics, 22.06.2019 11:00
Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg β’ what must the total momentum of the system be after the train cars collide? kg β’
Answers: 2
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