What would be harder to accelerate- a 4kg shot put ball or a 2,000 kg boulder

In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k

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