Physics, 28.09.2020 18:01 diegomacias2411
A driver traveling at 25 m/s to the south sees a red traffic light ahead and applies the brakes, causing the car to slow down with an acceleration rate of 4.5 m/s2.
What is the direction of the car’s acceleration, north or south?
How much time will it take for the car to come to a complete stop?
Answers: 3
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How much heat is required to convert 0.3 kg of ice at 0°c to water at the same temperature
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Physics, 22.06.2019 09:00
Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy
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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 12:30
Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j
Answers: 3
A driver traveling at 25 m/s to the south sees a red traffic light ahead and applies the brakes, cau...
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