A material is _________if it fractures without plastic strain.
Fill in the blank(s) with the appropriate word(s).
brittle
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A well-clothed person walks into a large auditorium that is empty. If the auditorium walls are at an average temperature of 55ºF and the average surface temperature of the person’s clothes is 85ºF, estimate the net radiation heat transfer between the person and the auditorium walls. An average person can be assumed to have a surface area of 19.4 ft^2 (1.8 m2^).
What will be an ideal response?
In a double-slit experiment, the distance between the slits is 0.2 mm, and the distance to the screen is 150 cm. What wavelength (in nm) is needed to have the intensity at a point 1 mm from the central maximum on the screen be 80% of the maximum intensity?
A. 900 B. 700 C. 500 D. 300 E. 600
A mass of 0.40 kg, hanging from a spring with a spring constant of 160 N/m, is set into an up-and-down simple harmonic motion. What is the speed of the mass when moving through a point at 0.05 m displacement? The starting displacement of the mass is 0.10 m from its equilibrium position
a. zero c. 1.7 m/s b. 1.4 m/s d. 1.2 m/s
The force on your left palm is twice than the force on your right palm
Indicate whether the statement is true or false