Question

An automobile tachometer is "red-lined"at 7000 rpm indicating that operation of the engine at angular velocities greater than this may result in damage. At 7000 rpm, or 7000 revolutions per minute, how long a time is required for the engine to turn through an angle of 2.00 rad? 0 2.73 x 10^-35 3.67 x 10^23 2.86 x 10^-45 O None of these 1.64 x 10^-15

Answer 1

Wz 7000 apm 7000 X 2T lad / see 60 Wz 7ooox 2x3.14 732.667 rad/ ree 60 time, te o 2 red 732.667 red free tz 2.73 x 103 see