Consider the following statement, and explain whether or not it is sensible: Someday we may build spaceships capable of traveling at a speed of 1 light-second per hour
What will be an ideal response?
This statement is fine. A light-second is 300,000 kilometers, so it simply says that we'll someday build spaceships that can travel at a speed of 300,000 km/hr.
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Amino acids are organic molecules that contain?
(a)Protein (b)Amino group + carboxyl group (c)Carbohydrates (d)Ethylene + polyethylene •
Olympus Mons is
A. the largest mountain on Earth. B. one of Mars's moons. C. a Mars observatory in Greece. D. a volcano on Mars.
Three objects are located in the x-y plane as follows: a 6 kg-object is at (0 m, 0 m), a mass of 4 kg is at (3 m, 0 m), and a 2 kg-object is at (0 m, 3 m). Where is the center of mass of the system?
A) (1 m, 2 m) B) (2 m, 1 m) C) (1 m, 1 m) D) (1 m, 0.5 m) E) (0.5 m, 1 m)
To double the total energy of a mass oscillating at the end of a spring with amplitude A, we need to
A.
.B.
.C.
D.
E.
.