A car accelerates from rest to 30 km/h. Later, on a high-way it accelerates from
30 km/h to 60 km/h. Which takes more
energy, going from 0 to 30, or from 30 to
60?​

Diamond will scratch quartz. true or false

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?