Which object will have the most kinetic energy? a 0.045 kg golf ball traveling at 41 m/s

a 0.057 kg tennis ball traveling at 20 m/s

a 0.14 kg baseball traveling at 40 m/s

a 5 kg bowling ball traveling at 3 m/s

Suppose that a comet that was seen in 563 a. d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

What are igneous intrusions and extrusions