A phonograph record has an initial angular speed

Reference no: EM13558569

A phonograph record has an initial angular speed of 36 rev/min. therecord slows to 13 rev/min in 2 seconds. what is the record'saverage angular acceleration during this time interval? answer inunits of rad/s2

Reference no: EM13558569

Questions Cloud

How much work does the spring force do on the cage : A spring with a spring constant of 40N/cm has a cage attachedto one end. How much work does the spring force do on the cage

What is theindex of refraction of the blue light : A beam of light with red and blue components of wavelengths 670 nmand 425 nm, respectively, strikes a slab of fused quartz at anincident angle of 30o. what is theindex of refraction of the blue light

Find the magnitude of the acceleration of the proton : A proton accelerates from rest in a uniform electric field of660 N/C. At some later time, its speedis 1.10 multiplied by 106 m/s. Find the magnitude of the acceleration of the proton. How long does it take the proton to reach this speed? How far ha..

Define how many moles of na+ ions are contained of solution : When 15 mL of a solution containing 1.6 M Na2S is diluted to 32 mL, a dilute solution is formed. How many moles of Na+ ions are contained in 30 mL of the dilute solution

A phonograph record has an initial angular speed : A phonograph record has an initial angular speed of 36 rev/min. therecord slows to 13 rev/min in 2 seconds. what is the record'saverage angular acceleration during this time interval? answer inunits of rad/s2

Explain the sign of delta u for the system : Classify the following by the sign of delta U for the system: the following can be classified into these three categories (negative,positive, not enough data)

Evaluate the current density of these protons : Near Earth, the density of protons in the solar wind (a stream ofparticles from the Sun) is 8.80cm-3 and their speed is about 470 km/s. Find the current density of these protons

How much energy was needed to accomplish to transformation : A 50-g of ice cube at 0C is heated until 45g has become water at 100C and 5.0g has become steam at 100C. How much energy was needed to accomplish to transformation?

What distance does it travel while decelerating : A 82 kg object moves in a horizontal straight line withan initial speed of 53 m/s. If it is stopped along that linewith a deceleration of 1.50 m/s2, What distance does it travel while decelerating

User Account

All Pages