If a new wave arrives on shore every two seconds, then its frequency is 2 Hz
Indicate whether the statement is true or false
FALSE
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Which planets have densities similar to that of Earth's?
A. Uranus and Neptune B. Mars and Mercury C. Pluto and Charon D. Jupiter and Saturn
A common belief is that everything that happens is predetermined by the predetermined mechanical motions of atoms, much as a clock operates. A good argument against this position is
A) Newtonian physics, on which this idea is based, cannot be conclusively proven to be true. B) many great scientists, such as Democritus, Kepler, and Newton, dispute this belief. C) science is not really relevant to our lives anyway. D) All of the above are good answers. E) Actually, there isn't any good answer to this position.
A satellite is in a circular orbit 600 km above the Earth's surface. The acceleration of gravity is 8.21 m/s2 at this altitude. The radius of the Earth is 6400 km. Determine the speed of the satellite, and the time to complete one orbit around the Earth
A block of steel is found on a ship sunk in 5000 meters of water, where pressures are about 500 times that on the Earth at sea level. To know its dimensions at sea level, which relationship between stress and strain for this metal would we need to know?
1.Young's modulus 2.shear modulus 3.bulk modulus 4.none of these