2. A 1.2 kg brick is dropped from 1.2 m on to a mattress. Model the mattress as a spring with constant k=70 N/m. If air
Posted: Sun Nov 13, 2022 12:30 pm
2. A 1.2 kg brick is dropped from 1.2 m on to a mattress. Model the mattress as a spring with constant k=70 N/m. If air resistance does 20 J of work as the brick falls, how far is the mattress spring compressed when it lands? How fast was the brick going just before it hit the mattress?