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Rudiy27
3 years ago
7

The Space Shuttle orbits 300 km above Earth's surface; Earth's radius is 6,400 km.What is the gravitational acceleration experie

nced by the Space Shuttle?
Physics
1 answer:
nika2105 [10]3 years ago
3 0

Answer:

The gravitational acceleration experienced by the Space Shuttle is 8.87\ m/s^2

Explanation:

Given that,

The space Shuttle orbits 300 km above Earth's surface, h = 300 km

We need to find the gravitational acceleration experienced by the Space Shuttle. The formula of gravitational acceleration is given by :

g=\dfrac{GM}{R^2}

M is mass of earth

R is radius of earth+height above earth's surface

g=\dfrac{6.67\times 10^{-11}\times 5.972\times 10^{24}}{(6400000+300000)^2}\\\\g=8.87\ m/s^2

So, the gravitational acceleration experienced by the Space Shuttle is 8.87\ m/s^2.

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What will be the weight of a box, mass 10Kg on the surface of a hypothetical planet having mass double of Earth and the radius i
vlada-n [284]

Answer:

           W ’= 21.78 kg

Explanation:

The expression for weight is

          W = m g

let's look for the acceleration of gravity with the universal law of gravitation

          F = G m M / r2

          F = m (G M / r2)

without comparing the two equations

          g’= G M / r2

in that case M = 2 Mo and r = 3 ro

where mo and ro are the mass and radius of the earth

         we substitute

         g ’= G 2Mo / (3r₀) 2

         G ’= 2/9 G Mo / r₀²

         g ’= 2/9 g

the weight of the body on this planet is

         W ’= m g’

          W ’= m 2/9 g

let's calculate

          W ’= 2/9 10 9.8

           W ’= 21.78 kg

3 0
3 years ago
An object is in circular motion. how will the object behave if the centripetal force is removed?
Inessa [10]

The correct answer is

B. it would move in a line tangent to the circular path

In fact, the centripetal force is the only force that keeps the object in a circular trajectory, pulling the object towards the centre of the circle. When this force is removed, there are no other forces acting on the object, therefore for the law of inertia, the object will continue to move at constant velocity, therefore in the same direction (tangent to the circular path) at constant speed.

4 0
3 years ago
Read 2 more answers
A 900 kg car runs into a 70 kg deer at 28 m/s. If the car transfers all of its momentum to the deer, how fast does the deer go f
Alex

Answer:

Mc = 900 Kg

Uc = 28 ms^-1

Md = 70 Kg

Ud = 0

We want Vd

Vc = Vd

This situation is elastic momentum

m _{c}u _{c}+ m _{d}u _{d} = m _{c}v _{c} + m _ dv _{d} \\  (900 \times 28) + (70 \times 0) = (900 \times v _{d} ) + (70 \times v _{d}) \\ 25200 = (900 + 70)v _{d}  \\ 25200 = 970v _{d} \\ v _{d} =  \frac{25200}{970}  \\ v _{d} = 26 \: m {s}^{ - 1}

4 0
3 years ago
Volcanoes are usually formed as a result of
Igoryamba
It is the first choice
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4 years ago
Which two fields of study do the principles of biomechanics come from? A. science and technology B. physics and engineering C. b
kati45 [8]

Answer:

B. physics and engineering

Explanation:

Biomechanics is the study of mechanical laws and living organisms. Hence, it comprises of the interrelationships between physics and engineering.

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