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Questions in physics

[Jawaban] What is the energy of a purple lamp with a frequency of [tex]7.5 \times 10^{14} Hz[/tex]? [tex]h=6.626 \times 10^{-34} J \cdot s[/tex] [?] x 10^[?] J

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Jawaban] Calculate the maximum possible speed of the drone when the motor was switched back on. kinetic energy = 150J mass = 2.5kg

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Jawaban] Select the correct answer. Andrea plans to go fishing in the morning, so she checks the weather forecast. The forecast shows a high-pressure area forming near her fishing spot. Using the weather data below, predict the possible weather conditions for Andrea's trip. | Time (a.m.) | Temperature ($^{\circ} C$) | Pressure (mb) | | :---------- | :-------------------------- | :------------ | | 7.00 | 14 | 995 | | 8.00 | 14 | 1001 | | 9.00 | 14 | 1113 | | 10.00 | 15 | 1120 | A. cloudy skies with minimal precipitation B. clear skies with minimal precipitation C. cloudy skies with moderate precipitation D. clear skies with heavy precipitation

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Jawaban] d. What happens to the gravitational force between two bodies if the distance is doubled, keeping the masses constant? e. State Pascal's Law.

[Jawaban] Which of these physical quantities varies as an object changes its velocity? A. pressure B. mass C. weight D. momentum

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?