Spacing between the centers of neighboring atoms
Estimate the spacing between the centers of neighboring atoms in a piece of solid aluminum, based on a knowledge of the density (2700 kg/m3) and atomic mass (26.9815 u) of aluminum.
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A 3210 kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 5.13 m before contacting the beam, and it drives the beam 5.43 cm into the ground before coming to rest. Find the magnitude of the average force the beam
A 0.05-kg bullet traveling at 120 m/s tears into a slab of thick wood. The wood exerts a constant retardation (negative acceleration) of magnitude 8000 m/s2. How long will it take the bullet to come to a stop?
Five people are playing tug-of-war. Anders and alyson pull to the right with 45 N and 35 N, respectively. Calid and Marisol pull to the left with 53 N and 38 N, respectively. with what force and in what direction does Benito pul of the game is ti
What is the typical rotational frequency for a molecule like at room temperature ()? Assume that for this molecule is . Take the atomic mass of to be . Express numerically in hertz, to three significant figures.
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