What would happen if a small piece of neutron star material (say the size of a paper clip) struck the Earth?
What will be an ideal response?
The extremely dense material could not be supported by the ordinary material on Earth and it would plunge to the center of the Earth under the action of gravity. Its momentum would carry it past the center, back to the other side and it would continue to oscillate back and forth through the Earth creating a small hole each time (that would rapidly fill with molten rock) until friction finally brought it to rest at the center of the Earth.
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A plane stress element on a bar in uniaxial stress has a tensile stress of ?? 5 78 MPa (see fig.). The maximum shear stress in the bar is approximately:
(A) 29 MPa
(B) 37 MPa
(C) 50 MPa
(D) 59 MPa
Computer simulations and the huge structures observed in the universe support the ________ model of the universe
Fill in the blank(s) with correct word
Nexrad radar uses a frequency of 2.7 GHz to measure the speed of cloud systems. The radio waves from the transmitter are sent outward to the cloud system and reflected back, Doppler shifted. A Nexrad system observes clouds moving toward the transmitter at 21 m/s. What is the difference between the transmitted frequency and the frequency received after reflection off the cloud surface?
A. 380 Hz B. 760 Hz C. 570 Hz D. 190 Hz
A rifle bullet shot horizontally has a vertical acceleration of ______________
Fill in the blank(s) with correct word