A dental drill accelerates from rest to 900 rpm in 2 sec . What is the angular acceleration ? How many revolutions does it makes in coming to full speed ?

The speed of a motor increases from 600 rpm to 1200 rpm in 20 s. What is the angular acceleration and how many revolution does it make during this time ?

The speed of a motor increase from 600 rpm to 1200 rpm in 20 seconds. What is its angular acceleration, and how many revolutions does it make during this time ?

The speed of a wheel increases from 600 rpm to 1200 rpm in 20 s . What is its angular acceleration ? How many revolutions will it make during this time ?

Theangular speed of a car increases from 600 rpm to 1200 rpm in 10 s .What is the angular acceleration of the car ?

A flywheel rotates about a fixed axis and slows down from 300 rpm to 100 rpm in 2 minutes (i) What is the angular acceleration in "rad min"^(-2) ? (ii) How many revolutions does the wheel complete during this time ?

A flywheel rotates about a fixed axis and slows down from 300 rpm to 100 rpm in 2 minutes (i) What is the angular acceleration in "rad min"^(-2) ? (ii) How many revolutions does the wheel complete during this time ?

An engine requires 5 s to go from a speed of 600 r.p.m to 1200 r.p.m. with constant acceleration. How many revolutions does it make in this period?

An engine requires 5 s to go from a speed of 600 r.p.m to 1200 r.p.m. with constant acceleration. How many revolutions does it make in this period?

A rotating wheel changes angular speed from 1800 rpm to 3000 rpm in 20 s. What is the angular acceleration assuming to be uniform ?