The reinforcement shown is made up of thirteen bars, is linked to the ground by the roller joint B and the flat joint A. If the frame is subjected to the indicated load system; determine: a) The reactions in joints A and B. b) The force in the bars that concur to the node M and node N.

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Contains chemical energy. a. heat b. light c. natural gas

Two horses begin at rest. after a few seconds, horse a is traveling with a velocity of 10 m/s west, while horse b is traveling with a velocity of 13 m/s west. which horse had a greater acceleration? a. horse a because its change in velocity was greater than horse b's in the same time. b. horse b because its change in velocity was greater than horse a's in the same time. c. horse b because its change in velocity was the same as horse a's, but it took less time. d. both horses had the same acceleration.