For a freely falling object dropped from rest, what is the acceleration at the end of the fifth second of fall?

5. A 1.2 m guitar string is under a tension of 888 N. The waves produced on the string (when plucked) travel with a speed of 444 m/s. What is the mass of this string?

A private jet flies the same distance in 9 hours that a commercial jet flies in 8 hours. If the speed of the commercial jet was 175mph less than 2 times the speed of the private jet, find the speed of each jet.

What is a perfect bounce in physics? Is it force? High School Physics, not middle school physics.

Which statement about electric force is true?

Calculate the energy equivalent in joules of the mass of a proton. [Show all work, including the equation and substitution with units.]

Why do we eat today

Which statement about ammeters and voltmeters is true? A. Current and voltage are the same throughout a circuit so where you place the ammeter and voltmeter doesn't matter. B.

Teens realize that things may be "shades of gray" after they enter Piaget's social stage. identity crisis stage. menarche stage. formal operational stage.

Technician A says that fractured rods have a unique mating surface and that only the cap that was fractured is the one that will fit that rod. Technician B says that a powdered metal rod is less expensive, lighter, and as strong as a forged rod.

What is the expected wavelength (in cm) of 10.5 ghz microwaves in free space?