A copper sphere has a radius of 2.50 m under normal room pressure of 1.0 × 105 N/m2. If we increase the pressure on this sphere to 10 times the normal room pressure, what is the change in its volume? The bulk modulus for copper is 1.4 × 1011 Pa
What will be an ideal response?
Answer: -4.2 × 10-4 m3
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A transverse periodic wave is represented by the equation z(y, t) = 1.50 cm sin(1,250 rad/s t + 10.0
What is the direction of the velocity of the wave?
A. the x direction B. the y direction C. the z direction D. the t direction
The interior layer just below the crust of Earth is called the ________.
A. inner core B. mantle C. troposphere D. outer core
How did Harlow Shapley determine the distances to globular clusters in the Milky Way galaxy?
A. He used the Period-Luminosity Relation of RR Lyrae variable stars so they could be used as standard candles. B. He used the radial velocity technique as a globular cluster orbits around a companion cluster. C.He measured the distance to the Galactic center and assumed all clusters were at that same distance. D. He used the parallax technique with a satellite designed to have a larger baseline than could be achieved from Earth. E. He used the parallax technique by viewing the clusters at two different times from the orbit of Earth.
If a spring-operated gun can shoot a pellet to a maximum height of 100 m on Earth, how high could the pellet rise if fired on the Moon, where g = 1.6 m/s2?
A) 17 m B) 160 m C) 3.6 km D) 100 m E) 610 m