What is the weight of a 82.1 kg object on Jupiter, where the acceleration due to gravity is 24.5 m/s2?

Physics

1 answer:

victus00 [196]3 years ago

3 0

Answer: 1,031.06 pounds

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3) Choose the best answer.

frosja888 [35]

Answer:

what?

Explanation:

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4 0

2 years ago

Make the following conversion. 0.00432 km = _____ mm

e-lub [12.9K]

0.00432 km = 4320 mm

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3 years ago

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E Which of the following particles that may be emitted in radioactive decay is not ionising?

mestny [16]

Explanation:

C. neutron.

it does not contain ionizing characteristics.

hope it helps. :)

5 0

3 years ago

Neutron star density. a typical neutron star has a mass of about 1.5m☉ and a radius of 10 kilometers. calculate the average dens

malfutka [58]

(a) One solar mass is equal to $2\cdot 10^{30}kg$ , so the mass of the neutron star is 1.5 times this value:
$M=1.5 M_s =1.5 \cdot 2\cdot 10^{30}kg=3\cdot 10^{30}kg$

The radius of the star is $r=10 km=10000 m$ , so its volume is
$V= \frac{4}{3}\pi r^3 = \frac{4}{3}\pi (10000 m)^3 = 4.2 \cdot 10^8 m^3$

So, the density of the neutron star is
$d= \frac{M}{V} = \frac{3 \cdot 10^{30}kg}{4.2 \cdot 10^8 m^3}=7.1 \cdot 10^{21} kg/m^3$

(b) We want to find the mass of 1 cm^3 of neutron star. The volume is
$V=1 cm^3 = 1 \cdot 10^{-6}m^3$
so, by using the density we found at point (a), we can calculate the mass of 1 cm^3 of neutron star:
$m=dV=(7.1 \cdot 10^{21}kg/m^3)(1 \cdot 10^{-6}m^3)=7.1 \cdot 10^{15} kg$

So, 1 cm^3 of neutron star has more mass than Mt Everest (whose mass is $5 \cdot 10^{10}kg$ ).

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3 years ago

PLEASE HELP ASAP!! Nitrogen, Helium, and Neon would all be gases at room temperature; Why is this?

kvasek [131]

-- The boiling points of the first group are all at temperatures
that are way lower than a comfortable room.
. . . . . Nitrogen . . . -320° F
. . . . . Helium . . . . -452° F
. . . . . Neon . . . . . -411° F

The freezing points of the second group are all at temperatures
that are way higher than a comfortable room.
. . . . . Lithium. . . . . . 357° F
. . . . . Sodium . . . . . 208° F
. . . . . Potassium . . . 146 °F

7 0

3 years ago