Physics, 04.03.2021 19:50 unknowntay04
Una pesa de 18 kg se levanta hasta una altura de 12
m y después se suelta en caída libre. ¿Cuáles son
la energía potencial, la energía cinética y la energía
total en: (a) el punto más alto. (b) 3 m sobre el nivel
del suelo
Answers: 3
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Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?
Answers: 1
Physics, 22.06.2019 14:20
The energy released by a nuclear fusion reaction is produced when
Answers: 1
Physics, 22.06.2019 18:30
Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?
Answers: 3
Physics, 22.06.2019 23:30
You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?
Answers: 3
Una pesa de 18 kg se levanta hasta una altura de 12
m y después se suelta en caída libre. ¿Cuáles s...
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