Velma passes Mort at a high speed. Each holds a meter stick, oriented perpendicular to the direction of relative motion. Mort observes that

A) his meter stick is 1 m long, and Velma's meter stick is longer than 1 m.
B) his meter stick and Velma's meter stick are both shorter than 1 m.
C) his meter stick and Velma's meter stick are both 1 m long.
D) his meter stick is longer than 1 m, and Velma's meter stick is 1 m long.
E) his meter stick is 1 m long, and Velma's meter stick is less than 1 m long.


C

Physics & Space Science

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Kinetic energy is proportional to speed

Indicate whether the statement is true or false

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The discovery of a supernova by Tycho Brahe in 1572 contradicted the commonly held belief that the universe was

A) unchanging B) spherical C) infinite D) perfect

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What nuclide has 14 protons and 16 neutrons?

A. 16S B. 14O C. 30Si D. 30S

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A steel bracket ABC (EI 5 4.2 3 106 N # m2) with span length L 5 4.5 m and height H 5 2 m is subjected to load P 5 15 kN at C. The maximum horizontal displacement of joint C is approximately:


(A) 22 mm
(B) 31 mm
(C) 38 mm
(D) 40 mm

Physics & Space Science