the path of the Sun through the sky as a result of Earth's orbital motion
What will be an ideal response?
ecliptic
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In the BCC metal iron, the (110)-type planes are the most closely packed planes.
(a) Calculate the interplanar spacing between the (110)-type planes. (b) Draw a BCC unit cell and show the (110)-type planes and a [110] direction that is perpendicular to the (110) planes. (c) Calculate the segment lengths where the (110) planes cut the [110] direction.
Polaris has always been the star nearest the north celestial pole
a. True b. False Indicate whether the statement is true or false
A piece of iron rests on top of a piece of wood floating in a bathtub. If the iron is removed from the wood, what happens to the water level in the tub?
A) It goes up. B) It goes down. C) It does not change. D) cannot be determined from the information given
Elastic Collisions: A block of mass m = 3.6 kg, moving on a frictionless surface with a speed vi = 9.3 m/s, makes a sudden perfectly elastic collision with a stationary block of mass M, as shown in the figure. Just after the collision, the 3.6-kg block recoils with a speed of vf = 2.7 m/s. What is the speed V of the other block?
A. 6.6 m/s B. 8.0 m/s C. 9.3 m/s D. 10.7 m/s E. 12.0 m/s