The specific heat of aluminum is 0.90 J/g•°C and of iron is 0.45 J/g•°C. How much energy was absorbed by each 1-gram sample?​

Difference between series and parallel circuits

At what time will the interfering waves have an amplitudeof zero?

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m