What is the least possible initial kinetic energy in the oxygen atom could have and still excite the cesium atom?

Different objects don't heat at the same rate because they have different

The sun the moon and the stars appear to move from east to west across the sky because earth rotates from blank to blank

Which of the following quantities are unknown? Select all that apply. a. the initial speed of the alpha particle b. the charge of the alpha particle c. the value of the electric potential at the initial position of the alpha particle d.

Which elements are halogens?

Who was the powerful and ruthless leader of the soviet union from 1929-1953 who also ordered the great purge in which he had his real and imagined enemies arrested?

What's the definition of streak

The organization of notes into regular groups results in A. some notes sounding more prominent than others. B. all notes lasting for the same amount of time. C. patterns of long and short notes. D. a steady beat.

Sara is sitting in the back seat as her father drives at a constant speed. If Sara's father presses on the brakes quickly slowing the car down, what slows Sara down? A. air resistance on the inside of the car B.

A box of books has lessequalmore inertia than a box of cotton balls.

A penny is placed on a rotating turntable. Where on the turntable does the penny require the largest centripetal force to remain in place? Give your reasoning.