Una pelota metálica de m;= 32 Kg que se mueve con una V=+6m/s hacia la izquierda choca de frente con una pelota de
plastilina de mz que se mueve con una V2=-7 m/s hacia la
derecha. Después del choque la pelota metálica se adhiere a la
pelota de plastilina y el conjunto se mueve con una velocidad Vc=
+5 m/s hacia la izquierda (recordar el sentido original de cada
una). ¿Cuál es la masa de la pelota de plastilina?

Awheelhas a radius of 4.8 m. howfar (path length) does a point on the circumference travel if thewheel is rotated through angles of 30°, 30 rad, and 30 rev,respectively?

1.in one challenge on the titan games, competitors have to lift 200 pounds up a long ramp. angel is able to move the weight in 42 seconds. anthony gets it done in only 38 seconds. which statement is true? angel has more power than anthony. angel does more work than anthony. anthony does more work than angel. anthony has more power than angel. 2.a mountain climber exerts 41,000 j of work to climb a cliff. how much power does the climber need if she wants to finish in only 500 seconds? power = work / time 20,500,000 watts 82 watts 0.0122 watts 41,500 watts 3.your family is moving to a new apartment. while lifting a box 83 joules of work is done to put the box on a truck, you exert an upward force of 75 n for 3 s. how much power is required to do this? (hint: you only need two of the 3 numbers given! ) power = work / time 249 watts 25 watts 2075 watts 27.7 watts

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?