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3 years ago

HELP WILL GIVE BRAINLIEST

Physics

1 answer:

SIZIF [17.4K]3 years ago

3 0

Answer:

The answer is 8 [gr/cubic centimeter]

Explanation:

We know that the definition of the density is defined by the mass of the object or substance divided by its volume.

Therefore:

$density=mass/volume\\mass= gramms, kilograms, pounds\\volume=cm^3, m^3, liters, gallons\\$

For this problem:

$density =\frac{12}{1.5} \\density=8[grams/cm^3]$

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3.) Brady walks 5 meters forward, turns right, walks 25 meters, turns right again, walks 5

Triss [41]

Answer:

Distance covered is: 45 meters

Displacement is 15 meters to the right of where he started

Explanation:

Notice that Brady has walk a path that looks like an incomplete rectangle of height 5 meters and length 25meters, although he actually didn't cover the full length (25 meters) when getting back to the point where he started (he made just 10 meters instead of 25 after the third turn right) See attached image.

Therefore, Brady's displacement is 15 meters to the right of where he started, and the total distance he covered is :

Distance = 5m + 25m + 5m + 10m = 45m

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