Un atleta de 70 kg de masa que ha efectuado un salto de altura cae una vez que ha
sobrepasado el listón, identifica y dibuja las fuerzas que actúan sobre el atleta cuando:
a)En el momento que está impulsándose en el suelo.
b)Va cayendo. ¿Qué tipo de movimiento tiene en este caso?
c)Al chocar con la colchoneta.
Answers: 2
Physics, 22.06.2019 13:10
Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o
Answers: 1
Physics, 23.06.2019 01:10
Aheat engine that operates on a carnot cycle has an efficiency of 0.420 when its low-temperature reservoir is at 10 ∘c.part aby how many degrees celsius must you increase the temperature of the high-temperature reservoir to increase the efficiency to 0.600 if you continue to use the same low-temperature reservoir?
Answers: 1
Physics, 23.06.2019 02:50
You are your friend move a new refrigerator into his kitchen. you apply a horizontal force of 252 n in the negative x direction to try and move the 56 kg refrigerator. the coefficient of static friction is 0.61. (a) how much static frictional force does the floor exert on the refrigerator? give both magnitude (in n) and direction. magnitude n direction (b) what maximum force (in n) do you need to apply before the refrigerator starts to move?
Answers: 1
Un atleta de 70 kg de masa que ha efectuado un salto de altura cae una vez que ha
sobrepasado el li...
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