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strojnjashka [21]
3 years ago
15

A car is traveling 12m/s. It approaches a stop sign and decelerates at 4.0m/s squared. How long does it take the car to stop?

Physics
1 answer:
beks73 [17]3 years ago
8 0
It would take
12/4 = 3
that's 3 seconds ..
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(b) A piece of wood of volume 0.6 m² floats in water. Find the volume
enot [183]

Answer:

Explanation:

Let the volume below water be v . Then

buoyant force = v d g where d is density of water , g is acceleration due to gravity

= v x 1000 x g

weight of wood piece = volume x density of wood x g

= .6 x 600 x g

for equilibrium while floating

buoyant force = weight

= v x 1000 x g  =  .6 x 600 x g

v = .36 m²

volume above water or volume exposed = .6 - .36

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When immersed completely ,

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weight of wood

=  .6 x 600 x g

= 3528 N

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3 years ago
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Density is an important physical property of matter. It reflects how closely packed the particles of matter are. When particles are packed together more tightly, matter has greater density.

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<h3>What is weight?</h3>

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Some of the factors that affect the weight that is possessed by an object or a physical body include the following:

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In conclusion, the weight possessed by the shoe and shirt has no effect on time but would be affected differently by air resistance.

Read more on weight here: brainly.com/question/13833323

4 0
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