Mass is a measure of
a. inertia.
b. force.
c. grams.
d. weight.
e. kilograms.
a
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Indicate whether the statement is true or false
Which forming technique is best suited to producing cobalt-tungsten carbide cutting tools?
(a) Hot isostatic pressing of powder (b) Investment casting (c) Forging (d) Superplastic forming
A 12-kg projectile is launched with an initial vertical speed of 20 m/s. It rises to a maximum height of 18 m above the launch point. What is the change in mechanical energy caused by the dissipative (air) resistive force on the projectile during this ascent?
A. ?0.64 kJ B. ?0.40 kJ C. ?0.52 kJ D. ?0.28 kJ E. ?0.76 kJ
A string with a fixed frequency vibrator at one end is subjected to varying tensions. When the tension is 20 N, a resonance with 3 antinodes results. What tension would cause a resonance with 2 antinodes in this string?
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