4 years ago

What metric units are used to report the mass of an object

Physics

1 answer:

sladkih [1.3K]4 years ago

4 0

The unit used<span> to measure weight in the metric system is the gram.</span>

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The sound will get louder.

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4 years ago

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675 km equals how much cm ?

irga5000 [103]

KHDMDCM.
Now go from Kilometer to Centimeter: 5.
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4 years ago

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raketka [301]

Answer:

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Explanation:

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3 years ago

The Millersburg Ferry (m = 13000.0 kg loaded) is travelling at 11 m/s when the engines are put in reverse. The engineproduces a

Pie

Explanation:

It is given that,

Mass of Millersburg Ferry, m = 13000 kg

Velocity, v = 11 m/s

Applied force, F = 10⁶ N

Time period, t = 20 seconds

(a) Impulse is given by the product of force and time taken i.e.

$J=F.\Delta t$

$J=10^6\ N\times 20\ s$

$J=2\times 10^7\ N-s$

(b) Impulse is also given by the change in momentum i.e.

$J=\Delta p=p_f-p_i$

$J=p_f-p_i$

$p_f=J+p_i$

$p_f=2\times 10^7\ N-s+13000\ kg\times 11\ m/s$

$p_f=20143000\ kg-m/s$

(c) For new velocity,

$v_f=\dfrac{p_f}{m}$

$v_f=\dfrac{20143000\ kg-m/s}{13000\ kg}$

$v_f=1549.46\ m/s$

Hence, this is the required solution.

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3 years ago

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