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A block-spring system oscillates with an amplitude of 3.70 cm. The spring constant is 250 N/m and themass of the block is 0.700 kg.
(a) Determine the mechanical energy of thesystem.
J
(b) Determine the maximum speed of the block.
m/s
(c) Determine the maximum acceleration.
m/s2
A helicopter lifts a 72 kg astronaut 19 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/12. How much work is done on the astronaut
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The origin of the coordinate system and with a label at their heads. Two of these vectors are given in terms of the unit-vectors I and j as
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Two cubes with sides of length 168.4 mm fit in a space that is 337.8 mm wide, as shown in the figure. One cube is made of aluminum, and the other is made of brass. What temperature increase is required for the cubes to completely fill the gap? (The l..
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