Atire placed on a balancing machine in a service station starts from rest and turns through 4.0 rev in 1.0 s before reaching its final angular speed. assuming that the angular acceleration of the wheel is constant, calculate the wheel’s angular acceleration. answer in units of rad/s 2 .

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program

Which is a substance that can be separated by physical means and is not the same throughout