Starsa. begin as protostars, which fire up when they collapse and become denser and hotter. b. create elements by splitting the nuclei of small atoms into the nuclei of larger atoms. c. have unlimited amounts of fuel and therefore exist indefinitely. d. all explode cataclysmically when they die and contribute their matter to future star generations

A

Explanation:

Begin as protostars, which fire up when they collapse and become denser and hotter.

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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