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Questions in physics

[Done] What type of ladder should be used when servicing electrical systems? A. Fiberglass B. Type 1A C. Type III D. Aluminum

[Done] Calculate the total resistance of a parallel circuit with resistors: [tex]R_1=6 \Omega, R_2=3 \Omega[/tex].

[Done] Select the correct answer. Honey bees beat their wings, making a buzzing sound at a frequency of 2.3 x 102 hertz. What is the period of a bee's wing beat? A. 4.3 x 103 seconds B. 2.6 x 103 seconds C. 4.0 x 103 seconds D. 2.6 x 103 seconds

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

[Done] Direction: Convert the following. Show your solution. 1. Convert 40°C to °F. 2. Convert 10°C to °F. 3. Convert 58°F to °C. 4. Convert 76°F to °C. 5. Convert 60°C to °F.

[Done] Which statement is true according to Newton's second law of motion? A. An object accelerates in the direction opposite to the direction of the force applied. B. An object accelerates in the direction perpendicular to the direction of the force applied. C. An object accelerates in the same direction as that of the force applied. D. An object undergoes no acceleration on the application of force. E. An object's acceleration is independent to the force applied.

[Done] What would be Kelly's weight in newtons if her mass is 70 kilograms? A. [tex]$70 \times g$[/tex] B. 70 [tex]$g$[/tex] C. 70 [tex]$g^2$[/tex] D. [tex]$70 \times g^2$[/tex] E. 70

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

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

[Done] How does work affect energy between objects so it can cause a change in the form of energy? A. Work transfers energy. B. Work changes energy. C. Work increases energy.