Please provide solutions so I can understand them better. Thank you

1' A Smng i5 Wrapped around a (LOO-kg cylinder whose radius is 45.0 cm. A weight whose mass is 2.00 kg is attached as shown. The \"'elng 18 released and begins a downward journey. What is \"e mallnitude of the acceleration of the weight? 2. A total of 2.3 x 108 joules of heat was added to a system while the temperature of the system was held constant. Find the amount of work done by the system. 3. A ray of light in glass is incident on an interface with water. For light at a certain frequency. the glass has an index of refraction of 1.632 and the water has an index of refraction of 1.333. What is the critical angle? v4_ .Find the voltage across the capacitor. VC. 0.15 second after the 550 Q 550 0 switch is closed. m + 35 V L V