Q1. A rightward force of 302 n is applied to a 28.9 kg crate to accelerate it across the floor. The coefficient of friction between the crate and the floor if 03750. Find out the acceleration of the crate.
Q2. A 500 turn solenoid with a length of 20 cm and a radius of 3.0 cm carries a current of 3.0 A. A second coil of four turns is wrapped tightly about this solenoid so that it can be considered to have the same radius as the solenoid. Find when the current in the solenoid increases to 5.0 A in a period of 0.90 s.