Physics, 11.10.2020 14:01 mnikitha07
People playing a basketball game in a gymnasium make up a closed system
with 17,125 J of energy. At the beginning of the game the system has 16,250
J of ME, and at the end it has 1,135 J of ME. How much of the total energy
was transformed into thermal energy during the game?
A. 875 J
B. 15,115 J
C. 15,990 J
D. 2,010 J
Answers: 2
Physics, 22.06.2019 12:00
Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0Ā° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?
Answers: 1
Physics, 22.06.2019 16:30
3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?
Answers: 2
Physics, 22.06.2019 18:00
Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.
Answers: 1
People playing a basketball game in a gymnasium make up a closed system
with 17,125 J of energy. At...
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