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Questions in physics

[Answered] Select all the correct answers. Antonio is holding a 1-pound bag of apples in his left hand and a 2-pound bag of apples in his right hand. Which sentences about this situation are true? A. The force caused by gravity is the same on each bag. B. Antonio is applying a 1-pound force to hold the 1-pound bag. C. Antonio must apply a greater force to hold the 1-pound bag than the 2-pound bag. D. The acceleration due to gravity is greater on the 2-pound bag. E. The mass of the bag in his left hand is less than the mass of the bag in his right hand.

[Answered] This chart shows characteristics of three different waves, all with the same wavelength of 10 m but moving at different frequencies. Waves at Different Frequencies | Wave X | Wave Y | Wave Z | |---|---|---| | 6 hertz | 0.5 hertz | 2 hertz | Which statement is best supported by the information in the chart? A. Wave Y is moving the fastest. B. Wave X is moving the fastest. C. All of the waves are moving at the same speed. D. All of the waves have the same value of wavelengths per second.

[Answered] Which of the following best illustrates Newton's Second Law of Motion? a. For every action, there is an equal and opposite reaction. b. An object in motion stays in motion. c. An object's acceleration depends on the net force applied and its mass. d. An object at rest stays at rest.

[Answered] If the velocity of an object changes from 65 m/s to 98 m/s during a time interval of 12 s, what's the acceleration of the object? A. 13.58 m/s B. 33 m/s C. 2.75 m/s D. 5.42 m/s

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

[Answered] You throw a ball from ground level with a mass of 1 kilogram upward with a velocity of v = 24 m/s on Mars, where the force of gravity is g = -3.711 m/s². A. Approximate how long the ball will be in the air on Mars. B. Approximate how high the ball will go.

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

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

[Answered] Select the best answer for the question. 15. When considering gravity acceleration and the force of acceleration, what must be true? A. The direction of acceleration must be perpendicular to the direction of the force. B. The direction of the force and the direction of acceleration must be opposite of each other. C. The direction of the force and the direction of acceleration must be the same as each other. D. The mass of the body must be the same as the acceleration of the body.

[Answered] Complete the table below. \begin{tabular}{|l|l|l|} \hline Unit of Length & Unit of Time & Unit of Speed \\ \hline m & Sec & \\ km & hr & \\ m & min & \\ cm & hr & \\ \hline \end{tabular}