Propped cantilever beam AB has moment M1 applied at joint B. Framework ABC has moment M2 applied at C. Both structures have con-stant flexural rigidity EI. If the ratio of the applied moments M1/M2 5 3/2, the ratio of the joint rotations at B, ?B1/?B2, is approximately:
(A) 1
(B) 3/2
(C) 2
(D) 5/2
(B) 3/2
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To temper glass, the glass is initially heated to a temperature above the glass transition temperature but below the _________temperature.
Fill in the blank(s) with the appropriate word(s).
An astronomer examining a compact object could conclude that it was a black hole if it _____
a. emits regular pulses of radiation b. has a defined event horizon that emits X-rays c. has an accretion disk d. has a mass greater than 1.4 solar masses e. has a mass greater than 3 solar masses
Graphical Analysis: The graph in the figure shows the position of a particle as a function of time as it travels along the x-axis.(a) What is the average speed of the particle between t = 2.0 s and t = 4.0 s?(b) What is the average velocity of the particle between t = 2.0 s and t = 4.0 s?
What will be an ideal response?
Grandfather clocks often are built so that each one-way swing of the pendulum is a second. How long is the length of a simple pendulum for a 2.00 second period?
A) 0.993 m B) 24.8 cm C) 101.cm D) 0.500 m E) 500. cm