Vectors V1 and V2 are orthogonal. If V1 is (5i + 7j - 3k) and V2 = (7i + Vy j + 14k), then component Vy in vector V2 is:
(A) 3.6
(B) 1.0
(C) -5.2
(D) 2.7
(B) 1.0
Physics & Space Science
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As its name implies, the ________ star has fused its protons and electrons
Fill in the blank(s) with correct word
Physics & Space Science
A body oscillates with simple harmonic motion along the x axis. Its displacement varies with time according to the equation x = 5.0 sin (pt + p/3). The velocity (in m/s) of the body at t = 1.0 s is
a. +7.9 b. -7.9 c. -14 d. +14 e. -5.0
Physics & Space Science
Uranium is found on the Earth, even though it is radioactive. That's because
A. it is constantly made by cosmic rays B. it has a very long half-life C. it is created in fusion in the sun D. it is created by fusion in the Earth
Physics & Space Science
All jovians have at least eight moons and equatorial rings
Indicate whether the statement is true or false
Physics & Space Science