How much kinetic energy does a 200 Kg wrecking ball have if it is swung at 10 m/s? A. 2000 J

B. 20 J

C. 10,000 J

D. 19,60 J

No copying 15 pts how does a free-body diagram tell you about the net force on an object?

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.