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lyudmila [28]
3 years ago
12

What is the eccentricity of an ellipse with a foci distance of 50,000,000 km and

Physics
1 answer:
inysia [295]3 years ago
5 0

Answer:

25,000,000 Km ;)

Explanation:

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Delvig [45]

have fewer economic restrictions

Explanation:

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4 years ago
On Earth, a scale shows that you weigh 490 N. What is your mass?
vesna_86 [32]
A 50 kg

490N = m(kg) *9.8(m/s^2)=>m=490/9.8 = 50kg
5 0
2 years ago
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A block is sliding down an inclined plane that makes an angle of 65o with the horizontal. If the coefficient of kinetic friction
Nezavi [6.7K]

Answer:

8.2 m/s²

Explanation:

m = mass of the block

μ = Coefficient of kinetic friction = 0.17

F_{n} = Normal force on the block by the ramp

f_{k} = kinetic frictional force

Force equation perpendicular to ramp surface is given as

F_{n} = mg Cos65

Kinetic frictional force is given as

f_{k} = \mu F_{n}

f_{k} = \mu mg Cos65

Force equation parallel to ramp surface is given as

mg Sin65 - f_{k} = ma

mg Sin65 - \mu mg Cos65 = ma

g Sin65 - \mu g Cos65 = a

(9.8) Sin65 - (0.17) (9.8) Cos65 = a

a = 8.2 m/s²

4 0
3 years ago
How long does it take for light to get to earth from the moon?
FrozenT [24]
About 1.3 SECONDS.............
4 0
3 years ago
25 POINTS !!!! PLS HELP
Yuliya22 [10]

Answer:

G

Explanation

The acceleration of gravity is constant, and = 9.8 m/s² , no matter what mass of the object is. Initial speed for both objects = 0 m/s. So, after 2 sec the objects will have the same speed and the same distance.

Answer G: speed=v, distance =d.

5 0
3 years ago
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