S waves and P waves are earthquake body waves. S and P stand for
a. sudden and post.
b. sigma and pi.
c. slow and proper.
d. secondary and primary.
d
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When the full Moon passes through Earth's shadow, the eclipse is visible from anywhere on Earth's dark side
a. True b. False Indicate whether the statement is true or false
Light takes approximately one second to travel from the Earth to the Moon. This means that the Moon is approximately
A) 1 astronomical unit from the Earth. B) 300,000 kilometers from the Earth. C) 3,000 kilometers from the Earth. D) 1 light year from the Earth. E) twice the distance from the Earth to the Sun.
If you are driving 72 km/h along a straight road and you look to the side for 4.0 s, how far do you travel during this inattentive period?
A) 40 m B) 20 m C) 18 m D) 80 m
A 10-m uniform beam weighing 100 N is supported by two vertical ropes at its ends. If a 400-N person sits at a point 2.0 m from the left end of the beam, what is the tension in each rope?
What will be an ideal response?