What force in newtons is required to accerlate a body with a mass of 32 kilograms at a rate of 12 m/s squared

When does your body conduct current more readily?

What are similarities and differences between refraction, reflection, diffraction and absorption?

Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.