ane (m= 63 kg) clutches a tree vine with lengthL= 9.5 mthat is initially taut and horizontal. She drops from rest andswings down while holding onto the vine. At the lowest pointof her swing she grabs Tarzan (M= 81 kg), who is standingmotionless in front of a vicious lion, and holds onto him asshe swings upward. What is the maximum heighthfabovethe contact point that Jane and Tarzan will reach on the up-ward part of the swinging motion? For the limit check, in-vestigate what happens tohfas Tarzan’s mass becomes large(i. e.,M→[infinity]).
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Physics, 21.06.2019 19:30
Aparticle travels in a circular orbit of radius 21 m. its speed is changing at a rate of 23.1 m/s2 at an instant when its speed is 37.2 m/s. what is the magnitude of the acceleration (in m/s? ) of the particle?
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Physics, 22.06.2019 06:10
Which transition by an electron will release the greatest amount of energy? oa ob oc od
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Physics, 22.06.2019 12:30
An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above
Answers: 3
Physics, 22.06.2019 13:00
The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.
Answers: 3
ane (m= 63 kg) clutches a tree vine with lengthL= 9.5 mthat is initially taut and horizontal. She dr...
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