Physics, 29.06.2019 16:30 amirahpeters
The illustration above depicts a spring being compressed and then released. changes in both potential and kinetic energy occur during this process. which statement most accurately describes the changes in potential or kinetic energy? a) the kinetic energy is continually increasing throughout the entire process b) the potential energy is continually increasing throughout the entire process c) the potential energy is increasing through steps a & b, then decreases at c. d) the potential energy is decreasing through steps a, b, & c and then increases
Answers: 1
Physics, 22.06.2019 06:00
A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s
Answers: 1
Physics, 22.06.2019 09:30
On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?
Answers: 2
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
Answers: 1
Physics, 22.06.2019 11:00
If a simple machine reduces the strength of a force, what must be increased?
Answers: 3
The illustration above depicts a spring being compressed and then released. changes in both potentia...
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