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castortr0y [4]
3 years ago
12

Compute the acceleration of gravity for a given distance from the earth's center, dist_center, assigning the result to accel_gra

vity. the expression for the acceleration of gravity is: (g * m) / (d 2), where g is the gravitational constant 6.673 x 10-11, m is the mass of the earth 5.98 x 1024 (in kg) and d is the distance in meters from the earth's center (stored in variable dist_center). sample output for the given program: 9.803495445209855
Physics
1 answer:
Liula [17]3 years ago
3 0
<span>#include <iostream> using namespace std; int main() { double G = 6.673x10^-11; double M = 5.98x 10^24; double accelGravity = 0.0; double distCenter = 0.0; dist_center = 6.38x10^6; accelGravity = (G*M)/(distCenter *distCenter); cout << "accelGravity: " << accelGravity << endl; return 0; }</span>
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The difference in particle size of the soil constituents determine its texture.​
Schach [20]

Answer:Soil texture depends on the size of individual soil particles and is determined by the relative proportions of particle sizes that make up the soil. The texture affects the amount of water that can be absorbed for use by plants and animals.

Explanation:

3 0
3 years ago
Jupiter's satellite Europa orbits Jupiter with a period of 3.55 d at an orbital radius of 6.71 108 m (assume the orbit to be cir
yawa3891 [41]

Answer:

(a)

M = 1.898 x 10^27 kg

(b)

v = 13.74 km/s

(c) E = 0.28 N/kg

Explanation:

Time period, T = 3.55 days = 3.55 x 24 x 3600 second = 306720 s

Radius, r = 6.71 x 10^8 m

G = 6.67 x 10^-11 Nm^2/kg^2

(a) T=2\pi \sqrt{\frac{r^{3}}{GM}}

M=\frac{4\pi ^{2}r^{3}}{GT^{2}}

M=\frac{4\times3.14^{2}\times 6.71^{3}\times 10^{24}}{6.67\times 10^{-11}\times 306720^{2}}

M = 1.898 x 10^27 kg

(b) Let v be the orbital velocity

v=\frac{2\pi r}{T}

v=\frac{2\times 3.14\times 6.71\times 10^{8}}{306720}

v = 13739.5 m/s

v = 13.74 km/s

(b) The gravitational field E is given by

E = \frac{GM}{r^{2}}

E = \frac{6.67\times10^{-11}\times 1.898\times 10^{27}}{6.71^{2}\times 10^{16}}

E = 0.28 N/kg

6 0
3 years ago
Movement of a stationary object
castortr0y [4]
That is a paradox b/c stationary means not moving

5 0
3 years ago
Consider a helium balloon with volume 2.1 L.
Anna11 [10]

Answer:

The net force is 26.52 N

Explanation:

Given that,

Volume of balloon = 2.1 L

Density of air  = 1.29 kg/m³

Mass = 1.3 g

Density of helium \rho'= 0.18\times10^{-3}\ g/cm^3

(a). We need to calculate the buoyant force on the balloon

Using formula of buoyant force

F_{b}=\rho V g

Put the value into the formula

F_{b}=1.29\times\times2.1\times9.8

F_{b}=26.54\ N

(b). We need to calculate the net force

Using formula of net force

F_{net}=F_{b}-(V\times\rho'+m)\times g

F_{net}=26.54-(2.1\times10^{-3}\times0.18\times10^{-3}+0.0013)\times9.8

F_{net}=26.52\ N

Hence, The net force is 26.52 N.

6 0
3 years ago
A box with a total surface area of 1.88 m^2
Veseljchak [2.6K]

Answer:9.8x10^(-3) w/m°C

Explanation:

Quantity of heat(Q)=14.1w

Distance(d)=2.44cm=2.44/100=0.0244m

Area(a)=1.88m^2

Temperature change(t)=18.6°C

thermal conductivity(k)=?

K=(Qxd) ➗ (a x t)

K=(14.1x0.0244) ➗ (1.88x18.6)

K=0.34404 ➗ 34.968

K=9.8x10^(-3) w/m°C

3 0
4 years ago
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