Inelastic Collisions: A 2200-kg auto moving northward at 12.0 m/s runs into a 3800-kg truck which is also moving northward, but at 5.00 m/s. If the vehicles lock bumpers, how fast are they moving just after the collision?
Fill in the blank(s) with the appropriate word(s).
7.57 m/s
Physics & Space Science
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For silver at a tensile stress of 30 MPa and a temperature of 715°C, what is the primary creep mechanism?
What will be an ideal response?
Physics & Space Science
A 20.0-mH inductor is connected in series with a 100-? resistor at 1.00 kHz in an ac circuit. What is the phase angle of this circuit?
A) 51.5° B) 90.0° C) 45° D) 0° E) 38.5°
Physics & Space Science
The ionic layers of the atmosphere reflect
a) radio waves. b) charged particles. c) sound. d) light.
Physics & Space Science
Microfossils are
A) fossilized microbes B) the remains of very small dinosaurs C) the remains of the very first multicellular organisms D) the remains of the tiny organisms which were first to colonize onto land
Physics & Space Science