2.
A dolphin can hear sounds with frequencies up to 280 kHz. What is the
speed of sound in wa...
Physics, 12.02.2021 14:00, alyssashae1818
2.
A dolphin can hear sounds with frequencies up to 280 kHz. What is the
speed of sound in water if a wave with this frequency has a wwavelength
of 0.51 cm?
Answers: 1
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If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c
Answers: 1
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The energy equivalent of the rest mass of an electron is
Answers: 1
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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
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