Physics, 04.06.2020 23:05 samantha9430
1)Una cuerda de un arpa sinfónica de 3,2 m de longitud se somete a una tensión de 354,6 N, si su masa es de 78,4 g. Calcular: la densidad lineal de la cuerda y la velocidad de propagación de una onda en dicha cuerda.
Answers: 2
Physics, 21.06.2019 16:30
You throw a baseball directly upward at time t = 0 at an initial speed of 12.3 m/s. what is the maximum height the ball reaches above where it leaves your hand? at what times does the ball pass through half the maximum height? ignore air resistance and take g = 9.80 m/s2.
Answers: 1
Physics, 22.06.2019 10:00
Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?
Answers: 1
Physics, 22.06.2019 11:00
Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.
Answers: 3
Physics, 22.06.2019 12:00
Explain why electric current cannot exist if a current doesn't have a voltage source.
Answers: 2
1)Una cuerda de un arpa sinfónica de 3,2 m de longitud se somete a una tensión de 354,6 N, si su mas...
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