A heavy weight suspended within a moving box needs to overcome inertia, resulting in a slight delay in the motion of the weight after the box moves. <u>Option B.</u>
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The principle underlying the construction of a seismometer is to have a heavy weight suspended from a spring on a pedestal or inside a movable box. A seismograph is an instrument that records and measures the details of an earthquake. A seismograph uses a seismograph to record data.
Elastic deformation bends an object, whereas repulsion returns it to its original shape. This instrument is nothing more than an oscillating rod or pendulum that begins to vibrate when a tremor occurs. The vibration system has a pin. The pen records seismic waves on a sheet of paper that moves underneath. By studying these waves scientists can create a complete map of earthquakes.
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Answer:
There is no force in space.
Explanation:
Weight is the gravitational force acting on the mass as in space there is no gravity so weight appeares as zero
Explanation:
Filtration is used to separate mixtures containing materials of relative size differences.
They are typically used to separate solid-liquid mixtures.
- The filter system must have been used in the experiment to separate filtrates and collect them in the reaction.
- The liquid passes through the filter and leaves behind the solute or suspension in the filter.
- The fluid that passes through the filter is the filtrate.
- This is a separation technique used for most solid - liquid mixtures in which the solid is not soluble.
- An example is sand and water mixture.
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Answer:
a) 0.618 ft/s
b) 3.04 ft/s
Explanation:
<u>Givens:</u>
Weight of swimmer A
= 190 Ib.
Weight of swimmer B
= 125 Ib.
Weight of the raft
= 300 Ib.
Swimmer A walks toward swimmer B relative to the raft with a speed
= 2 ft/s
<em>a)</em><em> Conservation of linear momentum </em>

Since swimmer B does not move

Substitute from (2) and (3) into (1)

b) if the raft not to move 
from (2)

substitute in (1)

Explanation:
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